Perko Flush Hatch Catch With Key Lock option:Yes The flaps are compatible with

The flaps are compatible with clamp-on type outlets ranging from 60mm to 80mm

Improves diesel fuel stability (oxidation and thermal stability) thus reducing the formation of gums and insoluble deposits that block filters

304 grade stainless steel

Patent pending design

Perko Flush Hatch Catch With Key Lock option:Yes The flaps are compatible withFlush Hatch Catch manufactured by Perko. Black plastic face. Stainless steel 'D' ring handle, stem and lock nut. Two 'O' rings for increased water resistance. Indicator shows open or closed position. Flexible plastic strike plate prevents rattling while keeping latch closed. Key lock available for added security. Water resistant fibre reinforced plastic cover available separately. Note: It includes the Flexible Plastic Strike Plate