Filter King 18x22x1 Air Filter — 4-Pack, MERV 8 (Actual 17.5x21.5x0.75) US-made
4-pack pleated air filters with a MERV 8 rating for HVAC systems. Designed to capture more particles and support longer replacement intervals. Customers note good quality and easy installation
Highlights
- made in USA
- MERV 8 filtration
- 4-pack
Pros
- pleated design for better particle capture
- 4-pack for multiple replacements
- made in USA
- fits standard 18x22x1 size (actual 17.5x21.5x0.75)
- easy to install
Cons
- actual size differs from nominal 18x22x1 for some users
- reviews mixed on sturdiness
Best For
Features
- MERV 8 rated pleated air filter for HVAC use
- Actual size 17.5" x 21.5" x .75" from 18" x 22" x 1" nominal
- Pack includes 4 filters, made in the United States
- Designed for up to 90 days of use before replacement
- Guidance recommends replacement every 30-90 days for 1-inch filters
