4" Round Open Screen Vent, mill - bag of 4 Stainless Steel Vents

4" Round Open Screen Vent, mill - bag of 4 Stainless Steel Vents4" Round Mill Open Screen Vent bag of 4 RS 100 4" 4PK These round aluminum vents have a screen to keep insects out and are easy to install in wood. Not made for glass, metal or PVC pipe. They fit into the hole made by a drill type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed. Fits into a 4 inch round hole. 7. 380 si nfa (square inches of net free ventilation area). Bag of 4 vents. Made in the USA.

These flush mount stainless steel vents are are held in place by #6 screws

RSTB-100 4" 4PK

These small round plugs are made of Aluminum

The twist-locking vent cap installs quickly and easily with standard PVC pipe cement

RWP-100 4"4PK

822  si nfa (square inches of net free ventilation area)

4" Round Brown Screened Vent

They are easy to install

4" Round Black Screened Vent

1/4" mesh - bag of 6

The louvers are spaced closely enough to keep out most insects

or PVC pipe