01How it worksReturn-air filtration

Filtration where the air comes in.

Your return vents draw room air back into your heating and cooling system. Impeccable Air adds a replaceable filter at those openings, where it’s easy to check and change.

01The return pathFig. 01

Follow the air.

When your system runs, room air travels through the return vent and ductwork toward your primary filter. Impeccable Air catches dust at the return opening, before it enters those ducts. Your primary HVAC filter stays in place.

Sectional diagram: room air carrying dust is drawn into the filtered return grille, travels along the return duct, and reaches the air handler and its primary filter. — Fig. 01Room → return grille → return duct → primary filter → HVAC system

02The productFig. 02

Open it. Check it. Change it.

Exploded drawing of the grille: the backplate with its molded retention frame and friction clips, the activated-carbon filter pad, and the removable front grille shown apart. — Fig. 02Exploded assemblyBackplate · prefilter · front

The grille with its front removed and the black activated-carbon filter pad lifted out of the retention frame. — Fig. 02bFront off — filter access

Backplate — mounts at the opening; its molded frame holds the filter flat.
Activated-carbon prefilter — a pre-cut pad; carbon adsorbs certain odors and gases under appropriate conditions, and the pad shows the dust it catches.
Removable front grille — opens for filter checks, changes, and easier cleaning.

03Alongside, never insteadFig. 03

Three-panel drawing: room air enters the grille, the carbon prefilter intercepts material at the opening, and the air handler and its primary filter carry on downstream. — Fig. 03Prefilter at the grillePrimary filter downstream

Your furnace filter stays on the job.

Impeccable Air adds filtration at the return opening. Keep using and maintaining your primary furnace or HVAC filter — this is an addition, never a replacement.

Maintenance

Keep changing your primary filter on its normal schedule.

04Two placementsFig. 04

At the baseboard. Higher on the wall.

Square lower corners let the grille sit flush where the wall meets the floor. For sidewall returns, three friction-fit clips (one top, two bottom) hold the grille in an exact 14″ × 6″ opening without tools.

Elevation drawing: the grille installed at a baseboard return, its square lower corners resting on the floor line. — Fig. 04aBaseboard — square lower corners at the floor line

Elevation drawing: the grille installed mid-wall at a sidewall return, with the one-top, two-bottom clip positions indicated. — Fig. 04bSidewall — one top clip, two bottom clips

Duct opening14″ × 6″

Note

Not an exact 14″ × 6″ opening? Run the fit guide — other sizes are reviewed individually, never approved automatically.

05How manyFig. 05

Two filtered return grilles installed side by side along the base of the same wall. — Fig. 05More than one return

Find the right fit in your home.

Check each return opening for the right size and placement. Our fit guide walks you through what to measure and helps you count compatible openings.

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