Prefilters | McMaster-Carr

Filter by

Thickness

HVAC Filter Trade Size

Filter Type

For Removing

Width

Color

MERV Filter Rating

Material

Polyurethane Foam

Stainless Steel

Form

Length

Reusable

Construction

For Use With

Automatic Roll Machines

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 399° F

400° F to 499° F

500° F or greater

Frame Material

Stainless Steel

Application

Final Filtering

Filtering Method

Air Filter Performance

Medium Efficiency

High Efficiency

Pores per Inch

REACH

RoHS

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Surface Treatment

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Filter Efficiency @ 3 Microns

How can we improve?

1,395 Products

Air Filter Media

Low-Efficiency Air Filter Media

Low-Efficiency Air Filter Media

Extend the life of expensive filters that catch fine particles

Low-Efficiency Reusable Air Filter Media

Low-Efficiency Reusable Air Filter Media

Wash and reuse to extend the life of expensive filters that catch fine particles

Air Filter Media

Air Filter Media

Replace dirty HVAC filters to collect large dust and debris

Low-Efficiency Reusable Air Filter Media Selector Packs

Low-Efficiency Reusable Air Filter Media Selector Packs

Determine the right pores per inch for your air filtering application

Reusable Air Filter Media

Reusable Air Filter Media

Wash and reuse this media, which collects large dust and debris in your HVAC system

Odor-Removing Air Filter Media

Odor-Removing Air Filter Media

Carbon granules absorb odors from the air

Air Filter Media for Electronics

Air Filter Media for Electronics

Stand up to prolonged exposure to heat and humidity

Reusable Air Filter Media for Electronics

Reusable Air Filter Media for Electronics

Wash and reuse to keep the air in your electronics clean

Air Filter Media for Automatic Roll Machines

Air Filter Media for Automatic Roll Machines

Replace the filter roll in your automatic filtering equipment

Reinforced Reusable Air Filter Media

Reinforced Reusable Air Filter Media

Wrapped in aluminum mesh for added support

Other Products

Air Filters

Trap dust and debris in HVAC, exhaust, and electronics systems to improve efficiency and air quality

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)