Feature●For wood lid materials, both floor and traditional construction methods●Chrome free / Airtight handle type●The installation method uses a speedclipper that does not require a screw, which greatly reduces the installation time and eliminates noise from the screw stops, and the outer frame distortion●The original construction is made using resin on the outer rim, so there is no need for a pier●The outer frame and handle have an airtight seal that is suitable for the Ministry of Amendment Energy Standards●Airtight Performance (JIS A 4706) Equivalent to A-4 Grade●Lid reinforcement on outer frame for added strengthDescription
Air tight home floor inspection port with speed installation type for 0.8 inch (21 mm) finish for both standing and residential use.