Adjustable Filters for Common and Custom Sizes
The innovative Expand-A-Pleat™ MERV 11 air filter easily expands to fit hundreds of sizes eliminating the trouble and cost of replacing hard to find, out-of-stock, or custom size air filters and provides clean air for your office, school, or facility. It uses an adjustable sliding frame and a high quality (MERV11) expandable filter media.
(Patent Number 7,037,354)
Customize Your Air Filter in 4 Easy Steps
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