0502025 – JOHNSON BOX
Johnson Box filter rack, 20×25. Solid metal sides with built-in duct connections — mounts inline or at the air handler. Holds a standard 20×25 filter.
Shop HVAC filter bases and racks at Open To Public HVAC Parts in Dallas. We carry filter cabinets, media air cleaner bases, external filter racks, and return air filter grilles for furnaces and air handlers. Multiple sizes available for same-day walk-in pickup.
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Johnson Box filter rack, 20×25. Solid metal sides with built-in duct connections — mounts inline or at the air handler. Holds a standard 20×25 filter.

Rex Rack filter rack, 16×25. Mounts between ductwork and your air handler or furnace for horizontal installations. Holds a standard 16×25 filter. Built-in duct flange.

Rex Rack filter rack, 20×25 with access door on the 20″ side. Mounts between ductwork and your air handler for horizontal installations. Holds a standard 20×25 filter.

EAFHE1620-2 filter base for electric air handlers, 16×20 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHE1620-6 filter base for electric air handlers, 16×20 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHE2020-2 filter base for electric air handlers, 20×20 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHE2020-6 filter base for electric air handlers, 20×20 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHE2025-2 filter base for electric air handlers, 20×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHE2025-6 filter base for electric air handlers, 20×25 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHG1425-2 filter base for gas furnaces, 14×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHG1425-6 filter base for gas furnaces, 14×25 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHG1625-2 filter base for gas furnaces, 16×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

The EAFHG1625-6 Filter Base securely houses 16″ x 25″ filters in 1″, 2″, or 4″ thicknesses for gas furnaces up to 5 tons, improving air quality and system efficiency.

EAFHG2025-2 filter base for gas furnaces, 20×25 filter size. Accepts a 1″ thick filter. Insulated housing with magnetic door latch. Up to 5 tons.

EAFHG2025-6 filter base for gas furnaces, 20×25 filter size. Accepts 1″, 2″, or 4″ thick filters. Insulated housing with magnetic door latch. Up to 5 tons.

Honeywell F100F1625/U media air cleaner, 16×25. MERV 11 rated, captures particles down to 0.3 microns. 1,400 CFM capacity. Whole-house filtration upgrade.

Honeywell F100F2020/U media air cleaner, 20×20. MERV 11 rated, captures particles down to 0.3 microns. 1,400 CFM capacity. Whole-house filtration upgrade.