Med. white 'O' ring seal hatch cover 145mm white

Cut out size157mm
Opening size 145mm
Weight 111g
Fixing Hole size 3mm

Polypropylene inspection hatch covers in black, grey or white. 
 
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. 
 
Available in various sizes - please click on the picture to see the sizes and other relevant data.