

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Koch Filter MX-9-444 Multi-Pleat is a medium efficiency extended surface pleated panel air filter designed for high initial efficiency and superior performance. With a MERV 8 rating, it is suitable for use in hospitals, laboratories, pharmaceutical plants, and commercial office buildings requiring high indoor air quality.
The MX-9-444 air filter features mechanical MERV 8 synthetic media, a sturdy double wall frame, and a moisture-resistant design.
Thanks for subscribing!
This email has been registered!