Allen 'O' Ring Hatch Cover - Large Select (See Table Below):AL-0638 RUBBER O RING FOR AL-0637 - EACH Feet: EPDM Fasteners: Stainless Steel

Feet: EPDM Fasteners: Stainless Steel

Manufacturer Part Number: SE2003

Position: Horizontal

Manufacturer Part Number: CTT95/10

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Allen 'O' Ring Hatch Cover - Large Select (See Table Below):AL-0638 RUBBER O RING FOR AL-0637 - EACH Feet: EPDM Fasteners: Stainless SteelLarge 'O' ring hatch covers. These hatch covers feature an outer rim 'O' ring seal which seals the deck ring and the screw lid, eliminating the need for sealant when installing and ensuring a watertight seal between the lid and the deck ring. Outer 'O' Ring sold separately Spec Sheet Part Description Size Colour Fixing Hole mm Cut Hole mm Opening mm Weight g RRP Inc VAT Unit AL 0637 BK 'O' ring seal hatch cover Large Black 3 241 223 266 35. 89 EACH AL