Nylon
EXHAUST AIR VENT COVER-- Wide range of usage, very suitable for related vents in boats, marine, yacht, caravan, RV, etc.
METAL AIR RETURN GRILL-- a good assistant for offshore operations. It can cover wall or ceiling openings and duct vents and is easy to use.
PEST GUARD SCREEN-- The vent cover is breathable, and the small louvered holes are- proof, not easy to be blocked.
HVAC VENT COVER-- The scientific reasonable design brings a good ventilation effect. Easy to install and disassemble.
VENT DUCT COVER-- This vent does not require much effort to install, the same diameter hole can be mounted directly.