The small rectangular cover can effectively prevent objects from blocking the pipe
The panel and the base tray are formed in one piece with stamping and have no welding points
Utilizes an insect and odor resistant valve
Blocks cockroaches and other insects from entering the house through the pipe
and prevents foul odors from leaking into the house


Size: 10 x 10 cm
Hole diameter: Φ1.5 inch and Φ2 inch