{"product_id":"atomic-5fm2025-generalaire-20x25x5-merv-11-compatible-filter-mac-2000-2-pack","title":"Atomic 5FM2025 GeneralAire 20x25x5 MERV 11 Compatible Filter for MAC 2000 - 2 Pack","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\u003cdiv style=\"background: #e8f5e8; padding: 15px; border-radius: 8px; border-left: 4px solid #28a745; margin-bottom: 20px; font-weight: bold; text-align: center;\" class=\"size-highlight\"\u003e✓ Actual Size: 19 5\/8\" x 24 1\/8\" x 4 7\/8\" ✓ Fits GeneralAire 20x25x5 Openings ✓  Compatible with \u003cstrong\u003eGeneralAire 5FM2025 \/ 6FM2025\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #e8f4fd; padding: 20px; border-radius: 8px; margin: 20px 0; border-left: 4px solid #2196f3;\"\u003e\n\u003ch4 style=\"color: #1976d2; margin-top: 0;\"\u003eMERV 11 Performance Data\u003c\/h4\u003e\n\u003cp style=\"margin-bottom: 15px; color: #1976d2;\"\u003e\u003cstrong\u003ePerformance Data:\u003c\/strong\u003e This MERV 11 filter has an initial resistance of 0.08 in (w.g.) and has a nominal face velocity (FPM) of 295. Air Flow rate(CFM) 1024.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e✓ USA-made compatible replacement for \u003cstrong\u003eGeneralAire 5FM2025 \/ 6FM2025\u003c\/strong\u003e\u003cbr\u003e✓ Actual size: 19⅝\" × 24⅛\" × 4⅞\" — fits the MAC 2000 media opening\u003cbr\u003e✓ MERV 11 — captures pollen, dust, pet dander, mold spores \u0026amp; smog\u003cbr\u003e✓ 2-pack — roughly 6 months of filtration per filter\u003c\/p\u003e\n\u003cp\u003e🔼 \u003cstrong\u003eWant higher filtration?\u003c\/strong\u003e Step up to the \u003ca href=\"https:\/\/atomicfilters.com\/products\/atomic-5fm2025-generalaire-20x25x5-merv-13-upgrade-compatible-filter-mac-2000-2-pack\"\u003eGeneralAire 5FM2025 MERV 13 upgrade\u003c\/a\u003e — same fit, captures finer smoke and bacteria-sized particles.\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\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\u003ch3\u003eReplaces these part numbers\u003c\/h3\u003e\n\u003cp\u003eGeneralAire 5FM2025, 6FM2025, 4501, 4551, 14201, and GA100A37. GeneralAire replaced the older MERV 10 5FM2025 \/ 4501 with the MERV 11 6FM2025 \/ 4551 — this filter matches the current MERV 11 spec.\u003c\/p\u003e\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\u003cp\u003eInstall with the airflow arrow pointing toward the furnace or air handler. Made in the USA, and priced well below OEM.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Atomic Filters","offers":[{"title":"Default Title","offer_id":46206354292815,"sku":"DAB11.0520252P-GA-5FM2025","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/5334\/files\/20x25x5-merv-11-air-bear-259112-102-compatible-2-pack-by-atomic-filters-394794.jpg?v=1729367682","url":"https:\/\/atomicfilters.com\/products\/atomic-5fm2025-generalaire-20x25x5-merv-11-compatible-filter-mac-2000-2-pack","provider":"Atomic Filters","version":"1.0","type":"link"}