Screw in centres with recessed finger grips.
Flush style, economical inspection ports moulded from UV stabilised polypropylene. Integral 'O' ring seal for weatherproofing. Wide caulking flange. Available in black or white. All sizes have 4mm C/S mount holes.
Size: 6"
Cut Out: 164mm
Inside Dia: 152mm
Outside Dia.: 205mm