🛡️ Double defense for your ducts—breathe smarter, live cleaner!
The Double Layer 4 Inch Duct Filter is a dual-layer air intake filter designed to fit standard 4" round ducts. It features an outer screen to block larger debris and an inner activated carbon layer to capture fine dust and odors, all while maintaining low airflow resistance for efficient ventilation.
A**R
Five Stars
Works great on my 2nd one now, first one lasted over 8months of none stop use.
S**R
Decent product
A little flimsy but does a decent job for intake filtration
T**L
Five Stars
They work great!
R**.
Good filter!
It seems to be a nice little filter.
C**S
Works well
Perfect for extra protection and easy to use great product
M**T
they feel good and thick and heavy duty
they feel good and thick and heavy duty
A**R
One Star
Cheap and flimsy.
S**E
keeps bugs out
I have suspicion bugs are getting into my basement through a vent, helpfully in the summer I'll find out it works. I wish it fit snugger, probably my fault though.
Trustpilot
2 weeks ago
2 months ago
