18x25x1 Pleated MERV 14 Air Filters 3 Pack Chemicals This combination makes the meter

This combination makes the meter particularly designed to withstand harsh environments such as fertilizer solutions

Special alloy steel is heat treated and tempered to produce an edge that stays sharp longer

The Trellis Kit includes 4-way PVC connectors

Made with Fuller's Earth (a clay material) and 20% Castor Oil

18x25x1 Pleated MERV 14 Air Filters 3 Pack Chemicals This combination makes the meterNordic Pure MERV 14 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.