4" (small) Allen hatch in black. Includes hatch cover and base but no "O" ring.
Fixing Hole size 3mm.
Cut out size 110mm.
Opening size 100mm.
"O" ring required A338.
Weight 62g
4" (small) Allen hatch in black. Includes hatch cover and base but no "O" ring.
Fixing Hole size 3mm.
Cut out size 110mm.
Opening size 100mm.
"O" ring required A338.
Weight 62g