![attwood-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/attwood-1500x1500.jpg)  Explore Attwood marine accessories for boat maintenance and refit projects. RWB's catalogue features vented deck fills in different configurations, cap styles and finishes. When replacing a filler, consider the tank application, filler and breather hose sizes, mounting footprint and available clearance. Selecting the correct configuration helps integrate the new fitting with your existing system. Explore the Attwood listings at RHS Boating & Marine for product details and available options.

           [ ![403660](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403660.jpg "Standard 4 inch Inspection Port White – Boat Hardware – 403660") ](https://www.rhsboating.com.au/categories/standard-4-inch-inspection-port-white-boat-hardware-403660.html)

   $8.35  each    [ Standard 4 inch Inspection Port White – Boat Hardware – 403660 ](https://www.rhsboating.com.au/categories/standard-4-inch-inspection-port-white-boat-hardware-403660.html)      [ 403660 ](https://www.rhsboating.com.au/categories/standard-4-inch-inspection-port-white-boat-hardware-403660.html)

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   [ ![403666](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403666.jpg "Standard 5 inch Inspection Port Black – Boat Hardware – 403666") ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-black-boat-hardware-403666.html)

   $8.99  each    [ Standard 5 inch Inspection Port Black – Boat Hardware – 403666 ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-black-boat-hardware-403666.html)      [ 403666 ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-black-boat-hardware-403666.html)

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   [ ![403665](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403665.jpg "Standard 5 inch Inspection Port White – Boat Hardware – 403665") ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-white-boat-hardware-403665.html)

   $8.99  each    [ Standard 5 inch Inspection Port White – Boat Hardware – 403665 ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-white-boat-hardware-403665.html)      [ 403665 ](https://www.rhsboating.com.au/categories/standard-5-inch-inspection-port-white-boat-hardware-403665.html)

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   [ ![403671](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403671.jpg "Standard 6 inch Inspection Port Black – Boat Hardware – 403671") ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-black-boat-hardware-403671.html)

   $10.37  each    [ Standard 6 inch Inspection Port Black – Boat Hardware – 403671 ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-black-boat-hardware-403671.html)      [ 403671 ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-black-boat-hardware-403671.html)

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   [ ![403670](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403670.jpg "Standard 6 inch Inspection Port White – Boat Hardware – 403670") ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-white-boat-hardware-403670.html)

   $10.37  each    [ Standard 6 inch Inspection Port White – Boat Hardware – 403670 ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-white-boat-hardware-403670.html)      [ 403670 ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-white-boat-hardware-403670.html)

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   [ ![403658](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/403658.jpg "Standard 6 inch Inspection Port with Bag White with Clear Lid Boating Storage") ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-with-bag-white-with-clear-lid-boating-storage.html)

   $21.05  each    [ Standard 6 inch Inspection Port with Bag White with Clear Lid Boating Storage ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-with-bag-white-with-clear-lid-boating-storage.html)      [ 403658 ](https://www.rhsboating.com.au/categories/standard-6-inch-inspection-port-with-bag-white-with-clear-lid-boating-storage.html)

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   [ ![RWB528](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB528.jpg "Standard Chrome Brass Barrel Bolt - 50mm") ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-50mm.html)

   $11.26  each    [ Standard Chrome Brass Barrel Bolt - 50mm ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-50mm.html)      [ RWB528 ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-50mm.html)

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   [ ![RWB529](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB529.jpg "Standard Chrome Brass Barrel Bolt - 75mm") ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-75mm.html)

   $14.66  each    [ Standard Chrome Brass Barrel Bolt - 75mm ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-75mm.html)      [ RWB529 ](https://www.rhsboating.com.au/categories/standard-chrome-brass-barrel-bolt-75mm.html)

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   [ ![RWB2815](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2815.jpg "Standard Door Catch - 50mm Base Diameter - 65mm") ](https://www.rhsboating.com.au/categories/standard-door-catch-50mm-base-diameter-65mm.html)

   $39.00  each    [ Standard Door Catch - 50mm Base Diameter - 65mm ](https://www.rhsboating.com.au/categories/standard-door-catch-50mm-base-diameter-65mm.html)      [ RWB2815 ](https://www.rhsboating.com.au/categories/standard-door-catch-50mm-base-diameter-65mm.html)

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   [ ![RWB7242](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7242.jpg "Standard Galvanised Reef Anchor - 10mm - 3/8" - 4 to 5m boat") ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-10mm-3-8-4-to-5m-boat.html)

   $24.39  each    [ Standard Galvanised Reef Anchor - 10mm - 3/8" - 4 to 5m boat ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-10mm-3-8-4-to-5m-boat.html)      [ RWB7242 ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-10mm-3-8-4-to-5m-boat.html)

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   [ ![RWB7243](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7243.jpg "Standard Galvanised Reef Anchor - 13mm - 1/2" - 5 to 6m boat") ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-13mm-1-2-5-to-6m-boat.html)

   $41.28  each    [ Standard Galvanised Reef Anchor - 13mm - 1/2" - 5 to 6m boat ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-13mm-1-2-5-to-6m-boat.html)      [ RWB7243 ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-13mm-1-2-5-to-6m-boat.html)

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   [ ![RWB7240](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7240.jpg "Standard Galvanised Reef Anchor - 6mm - 1/4" - to 3m boat") ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-6mm-1-4-to-3m-boat.html)

   $9.25  each    [ Standard Galvanised Reef Anchor - 6mm - 1/4" - to 3m boat ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-6mm-1-4-to-3m-boat.html)      [ RWB7240 ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-6mm-1-4-to-3m-boat.html)

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   [ ![RWB7241](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB7241.jpg "Standard Galvanised Reef Anchor - 8mm - 5/16" - 3 to 4m boat") ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-8mm-5-16-3-to-4m-boat.html)

   $15.68  each    [ Standard Galvanised Reef Anchor - 8mm - 5/16" - 3 to 4m boat ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-8mm-5-16-3-to-4m-boat.html)      [ RWB7241 ](https://www.rhsboating.com.au/categories/standard-galvanised-reef-anchor-8mm-5-16-3-to-4m-boat.html)

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   [ ![RWB650](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Standard Lockable Glove Box - 345 x 138mm - 300 x 106mm Cut-out") ](https://www.rhsboating.com.au/categories/standard-lockable-glove-box-345-x-138mm-300-x-106mm-cut-out.html)

   $43.80  each    [ Standard Lockable Glove Box - 345 x 138mm - 300 x 106mm Cut-out ](https://www.rhsboating.com.au/categories/standard-lockable-glove-box-345-x-138mm-300-x-106mm-cut-out.html)      [ RWB650 ](https://www.rhsboating.com.au/categories/standard-lockable-glove-box-345-x-138mm-300-x-106mm-cut-out.html)

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   [ ![268500](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/268500.jpg "Standard Motor Support Bracket – 440-710mm – Boat Hardware – 268500") ](https://www.rhsboating.com.au/categories/standard-motor-support-bracket-440-710mm-boat-hardware-268500.html)

   $53.41  each    [ Standard Motor Support Bracket – 440-710mm – Boat Hardware – 268500 ](https://www.rhsboating.com.au/categories/standard-motor-support-bracket-440-710mm-boat-hardware-268500.html)      [ 268500 ](https://www.rhsboating.com.au/categories/standard-motor-support-bracket-440-710mm-boat-hardware-268500.html)

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   [ ![RWB2380G](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2380G.jpg "Standard Opening Storage Hatch - Grey - A") ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-a.html)

   $58.50  each    [ Standard Opening Storage Hatch - Grey - A ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-a.html)      [ RWB2380G ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-a.html)

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   [ ![RWB2384G](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2384G.jpg "Standard Opening Storage Hatch - Grey - C") ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-c.html)

   $115.85  each    [ Standard Opening Storage Hatch - Grey - C ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-c.html)      [ RWB2384G ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-grey-c.html)

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   [ ![RWB2380](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2380.jpg "Standard Opening Storage Hatch - White - A") ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-a.html)

   $53.89  each    [ Standard Opening Storage Hatch - White - A ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-a.html)      [ RWB2380 ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-a.html)

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   [ ![RWB2384](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2384.jpg "Standard Opening Storage Hatch - White - C") ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-c.html)

   $101.87  each    [ Standard Opening Storage Hatch - White - C ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-c.html)      [ RWB2384 ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-c.html)

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   [ ![RWB2388](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2388.jpg "Standard Opening Storage Hatch - White - D") ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-d.html)

   $130.81  each    [ Standard Opening Storage Hatch - White - D ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-d.html)      [ RWB2388 ](https://www.rhsboating.com.au/categories/standard-opening-storage-hatch-white-d.html)

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   [ ![RWB2376](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB2376.jpg "Standard Recessed Fire Extinguisher Box - 370 x 120mm") ](https://www.rhsboating.com.au/categories/standard-recessed-fire-extinguisher-box-370-x-120mm.html)

   $29.68  each    [ Standard Recessed Fire Extinguisher Box - 370 x 120mm ](https://www.rhsboating.com.au/categories/standard-recessed-fire-extinguisher-box-370-x-120mm.html)      [ RWB2376 ](https://www.rhsboating.com.au/categories/standard-recessed-fire-extinguisher-box-370-x-120mm.html)

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- [](https://www.rhsboating.com.au/brands-listing/category/attwood-boat-deck-fills-marine-accessories/view-category/layout-listing.html?start=4872&limit=21)
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- [228](https://www.rhsboating.com.au/brands-listing/category/attwood-boat-deck-fills-marine-accessories/view-category/layout-listing.html?start=4872&limit=21 "228")
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- [234](https://www.rhsboating.com.au/brands-listing/category/attwood-boat-deck-fills-marine-accessories/view-category/layout-listing.html?start=4872&limit=21 "234")
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- [](https://www.rhsboating.com.au/brands-listing/category/attwood-boat-deck-fills-marine-accessories/view-category/layout-listing.html?start=4872&limit=21)
- [](https://www.rhsboating.com.au/brands-listing/category/attwood-boat-deck-fills-marine-accessories/view-category/layout-listing.html?start=4872&limit=21)

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