4" Pleated Filters

MERV 13 Pleated Filter 12x24x4 (Standard) - 6 case

The MERV 13 Pleated Filter is designed for longer life with reduced maintenance costs. The Merv 13 was created to improve indoor air quality in existing commercial properties, government institutions, universities and other school systems. CONSTRUCTION:...

Smith SEP Pleated Filters, 24" x 24" x 4" Nominal - Case of 6

Actual Dimensions - 23.75" x 23.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 20" x 25" x 4" Nominal - Case of 6

Actual Dimensions - 19.75" x 24.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 20" x 24" x 4" Nominal - Case of 6

Actual Dimensions - 19.75" x 23.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 20" x 20" x 4" Nominal - Case of 6

Actual Dimensions - 19.75" x 19.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 18" x 24" x 4" Nominal - Case of 6

Actual Dimensions - 17.75" x 23.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 16" x 25" x 4" Nominal - Case of 6

Actual Dimensions - 15.75" x 24.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 16" x 20" x 4" Nominal - Case of 6

Actual Dimensions - 15.75" x 19.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...

Smith SEP Pleated Filters, 12" x 24" x 4" Nominal - Case of 6

Actual Dimensions - 11.75" x 23.75" x 3.75" This Pleated MERV 8 Air Filter from SMITH is made from a special pre-tested blend of cotton and polyester fibers that are tightly bonded to a 28 gauge, corrosion resistant galvanized steel and expanded metal...