13x21x1 Exact MERV 7 AC Furnace Filters 6 Pack water-pumps-&-irrigation-supplies 2 RAW Phosphorus - 8

2 RAW Phosphorus - 8 oz

Suitable for protecting in low gas density environments

This lets you head off problems early or make manual overrides to keep the unit operating the way you need it to

All SG ballasts also feature the Lock & Seal plug system

• Efficient dewaxing

13x21x1 Exact MERV 7 AC Furnace Filters 6 Pack water-pumps-&-irrigation-supplies 2 RAW Phosphorus - 8Nordic 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