[silvery grey KS-8855PR-SG]
Removable vent blades. Can also be used as a sleeve cap.
Insect repelling net included. (AES resin molded mesh)
If you use a fire retardant damper (bimetal) on an outdoor vent, you can reset it from the interior vent.
Note: When using KS-8855PR-SG for VU100 (inner diameter φ107), please use the pipe adapter KS-107PAD-SG sold separately.