18 × 30 Air Filters | McMaster-Carr

Filter by

HVAC Filter Trade Size

Thickness

Filter Type

Panel

MERV Filter Rating

Reusable

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

RoHS

Compliant

Air Filter Performance

Prefilter

Filter Efficiency @ 3 Microns

Frame Material

For Use With

Maximum Temperature

Removes Particle Size Down To

Less than 25 μm

Filter Efficiency @ 1 Microns

44%

Support Grill Material

For Removing

Material

Polyester/Polyethylene

Construction

Specifications Met

System of Measurement

Inch

Certification

UL Classified

Frame Finish

Galvanized

Mounting Hardware Included

Yes

For Filter Thickness

Forward

How can we improve?

9 Products

Heating, Ventilation, and Air Conditioning

Air Filters

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

5 products

Air Filter Frames

Hold panel filters as well as filter rolls and pads in place in HVAC systems

4 products