AprilAire Water Panel #12
OEM part number(s):
1212RP
Made by AprilAire. Replacement interval: Replace every year or every 6 months (AprilAire guidance via DiscountFilters); older-model owners twice a year, once after summer..
Exact fit — verified
Fits 6 models
Across 1 brand(s): AprilAire. Examples: 110, 112, 440, 445, 760, 760A — the complete verified fit list is on this page.
Cross-brand equivalents
3 verified equivalent(s): GeneralAire GA12; BestAir A12-PR / A12PR2; Filters Fast A12PR — full table below.
Prices checked 2026-11-11: genuine from $6.38 shipped at Zoro. Every price in the table below carries its store and checked date.
Amazon is a buy link, not a price claim: Amazon blocks automated price reads, so its price is never quoted here.
Exact fit — all 6 verified models
Harvested from published manufacturer and retailer fit lists (sources at the bottom of this page). If your exact model is not listed, do not assume fit — check the number on your current part.
AprilAire (6)
110
112
440
445
760
760A
Aftermarket equivalents
| Brand | Part number | Note |
|---|---|---|
| GeneralAire | GA12 | GFI #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. |
| BestAir | A12-PR / A12PR2 | BestAir Pro A12; retail A12-PR (DiscountFilters). |
| Filters Fast | A12PR | FiltersFast replacement (no price captured this pass). |
All verified prices
| Kind | Store | Pack | Price | Shipping | Checked |
|---|---|---|---|---|---|
| Genuine OEM | Zoro | 1 panel, genuine AprilAire 12RP | $6.38 shipped item $6.38 | Zoro shipping terms at checkout | 2026-11-11 |
| More prices | DiscountFilters | 1 panel, genuine AprilAire 12 | $16.99 + shipping item $16.99 | Free shipping on orders $70+ at DiscountFilters; a fee applies below that | 2026-11-11 |
| More prices | SupplyHouse | 1 panel, genuine GeneralAire GA12 (the equivalent panel) | $20.49 + shipping item $20.49 | Free shipping on orders over $99 at SupplyHouse; a fee applies below that | 2026-11-11 |
Specs
| Dimensions | 12.25 × 12.875 × 1.75 in (DiscountFilters) |
| Replacement interval | Replace every year or every 6 months (AprilAire guidance via DiscountFilters); older-model owners twice a year, once after summer. |
| Treatment / media | Metal mesh with clay coating (AprilAire). |
| Quantity note | Sold singly and as a 2-pack (AprilAire 12RP); the AprilAire retail page for this panel also carries the #10 listing ($19.99). |