{"product_id":"atomic-5fm2025-generalaire-20x25x5-merv-13-upgrade-compatible-filter-mac-2000-2-pack","title":"Atomic 5FM2025 GeneralAire 20x25x5 MERV 13 Upgrade Compatible Filter for MAC 2000 - 2 Pack","description":"\u003cp\u003e✓ Actual Size: 19 5\/8\" x 24 1\/8\" x 4 7\/8\" ✓ Fits GeneralAire 20x25x5 Openings ✓ Compatible with GeneralAire 5FM2025 \/ 6FM2025\u003c\/p\u003e\n\u003cp\u003eMERV 13 Performance Data\u003cbr\u003ePerformance Data: This MERV 13 filter has an initial resistance of [0.10] in (w.g.) and a nominal face velocity (FPM) of 295. Air Flow rate (CFM) 1024.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e✓ USA-made MERV 13 upgrade compatible for \u003cstrong\u003eGeneralAire 5FM2025 \/ 6FM2025\u003c\/strong\u003e\u003cbr\u003e\n✓ Actual size: 19⅝\" × 24⅛\" × 4⅞\" — fits the MAC 2000 media opening\u003cbr\u003e\n✓ MERV 13 — captures everything MERV 11 does plus bacteria, smoke \u0026amp; fine 0.3–1.0 micron particles\u003cbr\u003e\n✓ 2-pack — roughly 6 months of filtration per filter\u003c\/p\u003e\n\u003cp\u003e💧 \u003cstrong\u003ePrefer the standard rating?\u003c\/strong\u003e The \u003ca href=\"https:\/\/atomicfilters.com\/products\/atomic-5fm2025-generalaire-20x25x5-merv-11-compatible-filter-mac-2000-2-pack\"\u003eGeneralAire 5FM2025 MERV 11 version\u003c\/a\u003e covers dust, pollen, and pet dander at a lower price — same 4⅞″ fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Verify your size:\u003c\/strong\u003e this is the \u003cstrong\u003e20x25x5\u003c\/strong\u003e filter for MAC 2000-class cabinets — not the 16x25x5 (MAC 1400) or 20x20x5 (MAC 2020). Check your cabinet model before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eFits these GeneralAire \/ General Filters cabinets\u003c\/h3\u003e\n\u003cp\u003eMAC 2000 (Mega-MAC), MAC 3000, MAC-L, and Perfect Platform air cleaners.\u003c\/p\u003e\n\n\u003ch3\u003eReplaces these part numbers\u003c\/h3\u003e\n\u003cp\u003eGeneralAire 5FM2025, 6FM2025, 4501, 4551, 14201, and GA100A37. This is the MERV 13 upgrade over the standard MERV 10\/11 GeneralAire media — same fit, higher filtration.\u003c\/p\u003e\n\n\u003ch3\u003eAlso fits\u003c\/h3\u003e\n\u003cp\u003eBecause it's the same 4⅞\" deep media, this filter also fits Trion Air Bear (259112 \/ 266649), Skuttle DB-25-20 (448-006), and Ultravation 91-006 cabinets. \u003cstrong\u003eIt is not a replacement for shallow Lennox or Honeywell 20x25x5 filters\u003c\/strong\u003e, which are 4⅜\" deep — check your depth if you're unsure.\u003c\/p\u003e\n\n\u003cp\u003eMERV 13 keeps airflow healthy at 5-inch depth — the deep pleats spread air across so much media that the higher rating adds very little resistance. Install with the airflow arrow pointing toward the furnace or air handler. Made in the USA, and priced well below OEM.\u003c\/p\u003e","brand":"Atomic Filters","offers":[{"title":"Default Title","offer_id":46206580490319,"sku":"DAB13.0520252P-GA-5FM2025-M13","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/5334\/files\/atomic-259112-102-trion-air-bear-merv-13-compatible-replacement-filter-20x25x5-2-pack-6324194.png?v=1764115872","url":"https:\/\/atomicfilters.com\/products\/atomic-5fm2025-generalaire-20x25x5-merv-13-upgrade-compatible-filter-mac-2000-2-pack","provider":"Atomic Filters","version":"1.0","type":"link"}