Blade Filters BF420
Regular price
$160.00
Sale price
$169.00
Shipping calculated at checkout.
The BF420, 4" carbon air filter, is a complete unit featuring the outer housing and inner carbon cartridge.
You will never have to replace the entire unit again... Just the cartridge
| Flange Size | 4" |
| Length | 17" |
| Exhaust CFM | 200 |
| Recirculating CFM | 400 |
The Blade Filters BF420 is the yin, to your yang. You've found what you're looking for.
Inventory Last Updated: Mar 08, 2026
Inventory Last Updated: Mar 08, 2026