External Dia: 143mm
Opening Dia: 101mm
Cut Out Dia: 114mm
Designed with a non-skid surface allowing horizontal as well as vertical mounting.
These inspection hatches have improved features that are impossible to avoid.
These inspection hatches are constructed from Polypropylene plastic for extra resistance to the sun, water, salt. With CE Certified.
1.Made of ABS material, anti-aging, anti-corrosive, ultraviolet resistant
2.Weather-tight and O-ring sealed deck plates are ideal for interior and exterior applications
3.Reinforced design with a non-slip surface
4.Separate cover plate and chassis, easy to install
5.Pre-drilled countersunk holes (screws not included)