![flow-rite-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/flow-rite-1500x1500.jpg)  Build or maintain your baitwell plumbing with Flow-Rite components. The range is associated with livewell fittings and connection systems, helping bring the parts for your installation into one brand category. Match hose sizes, fitting patterns and valve arrangements to the system design. Check individual component compatibility before combining new fittings with existing plumbing. Explore the Flow-Rite listings at RHS Boating & Marine for product details and available options.

           [ ![404650](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404650.jpg "Nairn 4 inch Inspection Port Lid Only Black – Boat Hardware – 404650") ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-black-boat-hardware-404650.html)

   $10.05  each    [ Nairn 4 inch Inspection Port Lid Only Black – Boat Hardware – 404650 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-black-boat-hardware-404650.html)      [ 404650 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-black-boat-hardware-404650.html)

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   [ ![404651](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404651.jpg "Nairn 4 inch Inspection Port Lid Only White – Boat Hardware – 404651") ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-white-boat-hardware-404651.html)

   $10.05  each    [ Nairn 4 inch Inspection Port Lid Only White – Boat Hardware – 404651 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-white-boat-hardware-404651.html)      [ 404651 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-lid-only-white-boat-hardware-404651.html)

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   [ ![404670](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404670.jpg "Nairn 4 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

   $3.86  each    [ Nairn 4 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)      [ 404670 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404601](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404601.jpg "Nairn 4 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

   $19.28  each    [ Nairn 4 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)      [ 404601 ](https://www.rhsboating.com.au/categories/nairn-4-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404610](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404610.jpg "Nairn 5 inch Inspection Port Black – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)

   $23.11  each    [ Nairn 5 inch Inspection Port Black – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)      [ 404610 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404656](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404656.jpg "Nairn 5 inch Inspection Port Lid Only Black – Boat Hardware – 404656") ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-black-boat-hardware-404656.html)

   $11.70  each    [ Nairn 5 inch Inspection Port Lid Only Black – Boat Hardware – 404656 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-black-boat-hardware-404656.html)      [ 404656 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-black-boat-hardware-404656.html)

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   [ ![404655](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404655.jpg "Nairn 5 inch Inspection Port Lid Only White – Boat Hardware – 404655") ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-white-boat-hardware-404655.html)

   $11.70  each    [ Nairn 5 inch Inspection Port Lid Only White – Boat Hardware – 404655 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-white-boat-hardware-404655.html)      [ 404655 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-lid-only-white-boat-hardware-404655.html)

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   [ ![404671](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404671.jpg "Nairn 5 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

   $4.33  each    [ Nairn 5 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)      [ 404671 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404611](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404611.jpg "Nairn 5 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

   $23.11  each    [ Nairn 5 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)      [ 404611 ](https://www.rhsboating.com.au/categories/nairn-5-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404620](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404620.jpg "Nairn 6 inch Inspection Port Black – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)

   $27.10  each    [ Nairn 6 inch Inspection Port Black – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)      [ 404620 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-black-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404660](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404660.jpg "Nairn 6 inch Inspection Port Lid Only Black – Boat Hardware – 404660") ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-black-boat-hardware-404660.html)

   $13.90  each    [ Nairn 6 inch Inspection Port Lid Only Black – Boat Hardware – 404660 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-black-boat-hardware-404660.html)      [ 404660 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-black-boat-hardware-404660.html)

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   [ ![404661](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404661.jpg "Nairn 6 inch Inspection Port Lid Only White – Boat Hardware – 404661") ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-white-boat-hardware-404661.html)

   $13.90  each    [ Nairn 6 inch Inspection Port Lid Only White – Boat Hardware – 404661 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-white-boat-hardware-404661.html)      [ 404661 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-lid-only-white-boat-hardware-404661.html)

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   [ ![404672](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404672.jpg "Nairn 6 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

   $5.67  each    [ Nairn 6 inch Inspection Port O-Ring – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)      [ 404672 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-o-ring-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![404621](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/404621.jpg "Nairn 6 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

   $27.10  each    [ Nairn 6 inch Inspection Port White – Boat Hardware – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)      [ 404621 ](https://www.rhsboating.com.au/categories/nairn-6-inch-inspection-port-white-boat-hardware-boat-deck-cabin-hardware.html)

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   [ ![RWB4145](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port Kit Bag - 150mm (6 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-kit-bag-150mm-6-inches.html)

   $42.45  each    [ Nairn Inspection Port Kit Bag - 150mm (6 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-kit-bag-150mm-6-inches.html)      [ RWB4145 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-kit-bag-150mm-6-inches.html)

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   [ ![RWB4140](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port O-Ring - 100mm (4 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-100mm-4-inches.html)

   $4.18  each    [ Nairn Inspection Port O-Ring - 100mm (4 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-100mm-4-inches.html)      [ RWB4140 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-100mm-4-inches.html)

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   [ ![RWB4141](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port O-Ring - 125mm (5 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-125mm-5-inches.html)

   $4.69  each    [ Nairn Inspection Port O-Ring - 125mm (5 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-125mm-5-inches.html)      [ RWB4141 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-125mm-5-inches.html)

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   [ ![RWB4142](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port O-Ring - 150mm (6 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-150mm-6-inches.html)

   $6.13  each    [ Nairn Inspection Port O-Ring - 150mm (6 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-150mm-6-inches.html)      [ RWB4142 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-o-ring-150mm-6-inches.html)

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   [ ![RWB4130](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port Replacement Lid - Black - 100mm (4 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-100mm-4-inches.html)

   $10.86  each    [ Nairn Inspection Port Replacement Lid - Black - 100mm (4 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-100mm-4-inches.html)      [ RWB4130 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-100mm-4-inches.html)

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   [ ![RWB4133](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port Replacement Lid - Black - 125mm (5 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-125mm-5-inches.html)

   $12.65  each    [ Nairn Inspection Port Replacement Lid - Black - 125mm (5 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-125mm-5-inches.html)      [ RWB4133 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-125mm-5-inches.html)

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   [ ![RWB4136](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Inspection Port Replacement Lid - Black - 150mm (6 inches)") ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-150mm-6-inches.html)

   $15.04  each    [ Nairn Inspection Port Replacement Lid - Black - 150mm (6 inches) ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-150mm-6-inches.html)      [ RWB4136 ](https://www.rhsboating.com.au/categories/nairn-inspection-port-replacement-lid-black-150mm-6-inches.html)

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- [](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21)
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- [183](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "183")
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- [185](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "185")
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- [187](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "187")
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- [189](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "189")
- [190](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "190")
- [191](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21 "191")
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- [](https://www.rhsboating.com.au/brands-listing/category/flow-rite-boat-livewell-baitwell-plumbing/view-category/layout-listing.html?start=3927&limit=21)
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