![beckson-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/beckson-1500x1500.jpg)  Refresh cabin ventilation and access with Beckson opening ports and matching replacement parts. The catalogue includes opening ports alongside selected lenses, gaskets, screens and latch components. For a replacement, compare the port model, cut-out dimensions and overall size rather than relying on appearance alone. Matching the correct parts can help you maintain an existing installation. Explore the Beckson listings at RHS Boating & Marine for product details and available options.

           [ ![RWB2751](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2751.jpg "Standard Screw-Out Inspection Port - Black - 100mm (4 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-100mm-4-inches-opening.html)

   $8.13  each    [ Standard Screw-Out Inspection Port - Black - 100mm (4 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-100mm-4-inches-opening.html)      [ RWB2751 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-100mm-4-inches-opening.html)

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   [ ![RWB2755](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2755.jpg "Standard Screw-Out Inspection Port - Black - 125mm (5 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-125mm-5-inches-opening.html)

   $8.75  each    [ Standard Screw-Out Inspection Port - Black - 125mm (5 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-125mm-5-inches-opening.html)      [ RWB2755 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-125mm-5-inches-opening.html)

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   [ ![RWB2759](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2759.jpg "Standard Screw-Out Inspection Port - Black - 150mm (6 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-150mm-6-inches-opening.html)

   $10.10  each    [ Standard Screw-Out Inspection Port - Black - 150mm (6 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-150mm-6-inches-opening.html)      [ RWB2759 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-black-150mm-6-inches-opening.html)

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   [ ![RWB2750](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2750.jpg "Standard Screw-Out Inspection Port - White - 100mm (4 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-100mm-4-inches-opening.html)

   $8.13  each    [ Standard Screw-Out Inspection Port - White - 100mm (4 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-100mm-4-inches-opening.html)      [ RWB2750 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-100mm-4-inches-opening.html)

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   [ ![RWB2754](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2754.jpg "Standard Screw-Out Inspection Port - White - 125mm (5 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-125mm-5-inches-opening.html)

   $8.75  each    [ Standard Screw-Out Inspection Port - White - 125mm (5 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-125mm-5-inches-opening.html)      [ RWB2754 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-125mm-5-inches-opening.html)

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   [ ![RWB2758](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2758.jpg "Standard Screw-Out Inspection Port - White - 150mm (6 inches) Opening") ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-150mm-6-inches-opening.html)

   $10.10  each    [ Standard Screw-Out Inspection Port - White - 150mm (6 inches) Opening ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-150mm-6-inches-opening.html)      [ RWB2758 ](https://www.rhsboating.com.au/categories/standard-screw-out-inspection-port-white-150mm-6-inches-opening.html)

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   [ ![RWB8733](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB8733.jpg "Standard Sea Anchor - Extra Large - 1.35m") ](https://www.rhsboating.com.au/categories/standard-sea-anchor-extra-large-1-35m.html)

   $49.16  each    [ Standard Sea Anchor - Extra Large - 1.35m ](https://www.rhsboating.com.au/categories/standard-sea-anchor-extra-large-1-35m.html)      [ RWB8733 ](https://www.rhsboating.com.au/categories/standard-sea-anchor-extra-large-1-35m.html)

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   [ ![RWB8732](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB8732.jpg "Standard Sea Anchor - Large - 1.25m") ](https://www.rhsboating.com.au/categories/standard-sea-anchor-large-1-25m.html)

   $34.86  each    [ Standard Sea Anchor - Large - 1.25m ](https://www.rhsboating.com.au/categories/standard-sea-anchor-large-1-25m.html)      [ RWB8732 ](https://www.rhsboating.com.au/categories/standard-sea-anchor-large-1-25m.html)

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   [ ![RWB8731](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB8731.jpg "Standard Sea Anchor - Medium - 650mm") ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-medium-650mm-for-boat-drift-control-and-fishing.html)

   $26.25  each    [ Standard Sea Anchor - Medium - 650mm ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-medium-650mm-for-boat-drift-control-and-fishing.html)      [ RWB8731 ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-medium-650mm-for-boat-drift-control-and-fishing.html)

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   [ ![RWB8730](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB8730.jpg "Standard Sea Anchor - Small - 500mm") ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-small-500mm-for-boat-drift-control-and-fishing.html)

   $21.60  each    [ Standard Sea Anchor - Small - 500mm ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-small-500mm-for-boat-drift-control-and-fishing.html)      [ RWB8730 ](https://www.rhsboating.com.au/categories/rwb-pvc-sea-anchor-drogue-small-500mm-for-boat-drift-control-and-fishing.html)

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   [ ![RWB1945](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB1945.jpg "Standard Ski Hook - 120mm") ](https://www.rhsboating.com.au/categories/standard-ski-hook-120mm.html)

   $26.07  each    [ Standard Ski Hook - 120mm ](https://www.rhsboating.com.au/categories/standard-ski-hook-120mm.html)      [ RWB1945 ](https://www.rhsboating.com.au/categories/standard-ski-hook-120mm.html)

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   [ ![RWB2256](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2256.jpg "Standard Stainless Stanchion Base - 6 degrees") ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-6-degrees.html)

   $29.30  each    [ Standard Stainless Stanchion Base - 6 degrees ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-6-degrees.html)      [ RWB2256 ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-6-degrees.html)

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   [ ![RWB2255](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2255.jpg "Standard Stainless Stanchion Base - Vertical") ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-vertical.html)

   $29.30  each    [ Standard Stainless Stanchion Base - Vertical ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-vertical.html)      [ RWB2255 ](https://www.rhsboating.com.au/categories/standard-stainless-stanchion-base-vertical.html)

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   [ ![RWB2396](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2396.jpg "Standard Tackle Box Hatch - White standard style") ](https://www.rhsboating.com.au/categories/standard-tackle-box-hatch-white-standard-style.html)

   $151.14  each    [ Standard Tackle Box Hatch - White standard style ](https://www.rhsboating.com.au/categories/standard-tackle-box-hatch-white-standard-style.html)      [ RWB2396 ](https://www.rhsboating.com.au/categories/standard-tackle-box-hatch-white-standard-style.html)

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   [ ![RWB7268](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7268.jpg "Standfast Galvanised Plough Anchor - 12kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-12kg.html)

   $164.21  each    [ Standfast Galvanised Plough Anchor - 12kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-12kg.html)      [ RWB7268 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-12kg.html)

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   [ ![RWB7270](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7270.jpg "Standfast Galvanised Plough Anchor - 16kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-16kg.html)

   $214.74  each    [ Standfast Galvanised Plough Anchor - 16kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-16kg.html)      [ RWB7270 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-16kg.html)

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   [ ![RWB7271](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7271.jpg "Standfast Galvanised Plough Anchor - 20kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-20kg.html)

   $281.05  each    [ Standfast Galvanised Plough Anchor - 20kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-20kg.html)      [ RWB7271 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-20kg.html)

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   [ ![RWB7272](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7272.jpg "Standfast Galvanised Plough Anchor - 27kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-27kg.html)

   $371.98  each    [ Standfast Galvanised Plough Anchor - 27kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-27kg.html)      [ RWB7272 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-27kg.html)

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   [ ![RWB7265](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7265.jpg "Standfast Galvanised Plough Anchor - 4.5kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-4-5kg.html)

   $60.97  each    [ Standfast Galvanised Plough Anchor - 4.5kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-4-5kg.html)      [ RWB7265 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-4-5kg.html)

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   [ ![RWB7266](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7266.jpg "Standfast Galvanised Plough Anchor - 6.7kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-6-7kg.html)

   $91.27  each    [ Standfast Galvanised Plough Anchor - 6.7kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-6-7kg.html)      [ RWB7266 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-6-7kg.html)

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   [ ![RWB7267](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7267.jpg "Standfast Galvanised Plough Anchor - 8.9kg") ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-8-9kg.html)

   $121.26  each    [ Standfast Galvanised Plough Anchor - 8.9kg ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-8-9kg.html)      [ RWB7267 ](https://www.rhsboating.com.au/categories/standfast-galvanised-plough-anchor-8-9kg.html)

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