Glasfloss ZL 16x20x4 MERV 10 AC & Furnace Filter (6 Pack)
MERV 10 electrostatic furnace filter with galvanized backing. Nominal size 16x20x4; actual size 15.5x19.5x3.75. For optimal performance, change every 3 months. Customers note good filtration and easy installation, with some reports of size or condition issues
Highlights
- MERV 10 efficiency
- galvanized backing
- made in the USA
Pros
- MERV 10 filtration
- Electrostatic filter material
- Easy to install
- Durable galvanized backing
- Made in the USA
Cons
- Some reports of size inconsistency
- Some filters arrive damaged
Best For
Features
- Actual size 15-1/2 x 19-1/2 x 3-3/4 inches
- Nominal size 16 x 20 x 4, MERV 10 efficiency
- Electrostatic air filtration for homes and facilities
- Durable galvanized metal backing construction
- Made in the USA; recommended replacement every 3 months