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 strength


Description

Air tight home floor inspection port with speed installation type for 0.8 inch (21 mm) finish for both standing and residential use.