20x20x4 Pleated Plus Carbon Air Filter MERV 8, Actual Size 19.5 x 19.5 x 3.63, 6 Pack, Pro Grade Carbon Filtration for Odors and Allergies, Fits Honeywell Lennox 20x20x4 Plus Carbon and Other MERV 8 Units

Premium 20x20x4 Pleated Carbon Filter - MERV 8, 6-Pack
✔️ Actual size 19.5 x 19.5 x 3.63 in; 6-pack, MERV 8 carbon

These pleated air filters combine a carbon layer with MERV 8 filtration to remove odors and particles in HVAC systems. They’re designed for use in 20x20x4 filter slots and line up with Honeywell, Lennox, and other MERV 8 units.

✅ Nominal size: 20 x 20 x 4; Actual size: 19.5 x 19.5 x 3.63 in (495.3 x 495.3 x 92.2 mm)
✅ Pack: 6 filters per order (6-pack)
✅ Construction: dual-material media with carbon layer for odor control; heavy-duty moisture-resistant beverage board frame; metal mesh support
✅ MERV 8 filtration; equivalent to MPR 800; Made in the USA
✅ Replacement schedule: 3-6 months for best efficiency

💡 What is a carbon air filter with MERV 8 used for? A handy explanation: It helps remove odors and particles in air systems. - odor control in HVAC systems using carbon layer - filtration of dust, pollen, and other particles with MERV 8 media - compatible with 20x20x4 filter slots in many brands

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