Small grey 'O' ring seal hatch cover Ø 110mm - transparent
Polypropylene inspection hatch covers in transparent.
We have three different designs, A.137 and A.237 are non 'O' ring original design with exposed fixings, the A.337, A.537 and A.637 require a rubber 'O' ring and the more rigid A1737, A1837 and A1937 feature a fully threaded cover with integral seal.
Fixing Hole size 3mm
Cut out size 110mm
Opening size 100mm