Quest MERV 13 Filter 18" X 18" X 2" for Quest New 225

MERV 13 Filter Sized for the Quest New 225 Dehumidifier

The Quest New 225 uses a square filter footprint rather than the rectangular sizes common on other Quest models, and matching that shape exactly keeps the filter seated properly. This MERV 13 replacement measures 18 x 18 x 2 inches, built for that specific slot.

It's a direct fit for the Quest New 225 208/230V dehumidifier (PN 4042800), giving that unit a routine replacement filter sized to match.

Key Features & Benefits

• MERV 13 Filtration — a step up in efficiency from standard MERV-rated filters.
• 18 x 18 x 2 Inch Size — a square footprint matching the Quest New 225's filter slot.
• Precise Slot Fit — seats fully so no gaps let unfiltered air through.
• Stock a Spare Filter — simplifies routine maintenance changeouts.

Who Should Use the Quest New 225 MERV 13 Filter

Quest New 225 208/230V dehumidifier owners (PN 4042800) who need a routine replacement filter sized 18 x 18 x 2 inches.

About Quest

Therma-Stor LLC of Madison, Wisconsin, also the maker of the related Anden brand, manufactures Quest dehumidification equipment. Quest builds its overhead and portable units around patented M-CoRR multi-coil technology, which recycles heat pulled from the air during dehumidification for commercial and industrial moisture control in cultivation, food production, and similarly demanding environments.

Frequently Asked Questions

What size is this filter?

It measures 18 x 18 x 2 inches, a square footprint sized specifically for the Quest New 225's filter slot. That shape distinguishes it from the rectangular filters used on other Quest models.

Which model does this fit?

It's designed for the Quest New 225 208/230V dehumidifier, part number 4042800. Confirm your unit's part number before ordering.

How often should this filter be replaced?

Swap it out once you notice reduced airflow or visible dust buildup on the filter surface. Check it more frequently in grow environments with heavier particulate loads.

Does a clean filter affect dehumidifier performance?

Yes, a clogged filter restricts airflow across the coil and can reduce moisture removal over time. Routine replacement helps the unit maintain consistent performance.