17_1/4x23_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Reflective & Greenhouse Films Hanna's line of calibration solutions

Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle

Model Number: SE3000

The barrel will be filled

This not only guarantees a clean and buffered substrate

17_1/4x23_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack Reflective & Greenhouse Films Hanna's line of calibration solutionsNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters