Home › Parts › AprilAire Water Panel #12

AprilAire Water Panel #12

OEM part number(s): 12, 12RP · Made by AprilAire · Whole-house water panel / pad

Lowest verified price: $6.38 — 1 panel, genuine AprilAire 12RP at Zoro. Zoro shipping terms at checkout. Checked 2026-11-11.
Buy on Amazon — 12Amazon search for the exact part number (no single listing is endorsed). Amazon price is shown on Amazon; we do not quote it here.

Verified prices (checked 2026-11-11)

OptionPriceStore & shipping
Genuine (OEM)
1 panel, genuine AprilAire 12RP
$6.38Zoro
Zoro shipping terms at checkout · Checked 2026-11-11 · source
Genuine (OEM)
1 panel, genuine AprilAire 12
$16.99DiscountFilters
Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source
Genuine (OEM)
1 panel, genuine GeneralAire GA12 (the equivalent panel)
$20.49SupplyHouse
Free shipping on orders over $99 at SupplyHouse; a fee applies below that · Checked 2026-11-11 · source

How to read this: the lowest verified price above is the headline even when it is not Amazon. Amazon is the buy button because it is this site's affiliate route; its price is not quoted because Amazon blocks automated price reads.

Exact fit — models that take this part

AprilAire 440, AprilAire 445, AprilAire 110, AprilAire 112, AprilAire 760, AprilAire 760A

How many per change: Sold singly and as a 2-pack (AprilAire 12RP); the AprilAire retail page for this panel also carries the #10 listing ($19.99).

Specifications

Replacement intervalReplace every year or every 6 months (AprilAire guidance via DiscountFilters); older-model owners twice a year, once after summer.
Dimensions12.25 × 12.875 × 1.75 in (DiscountFilters)
TreatmentMetal mesh with clay coating (AprilAire).

Equivalents and cross-references

BrandPart numberNote
GeneralAireGA12GFI #74756 — GeneralAire's number for the same panel (RH: 'For GeneralAire model 3200 & AprilAire 440, 110, 112, 760 & 760A'). The AprilAire-brand fit list fits GA12 as well.
BestAirA12-PR / A12PR2BestAir Pro A12; retail A12-PR (DiscountFilters).
Filters FastA12PRFiltersFast replacement (no price captured this pass).

Sources

Full record, including descriptor data for every model, is in the open dataset: /data/parts.json.