16x21x1 MERV 13 AC Furnace Filters 12 Pack HVAC & HOME VENTILATION The UNI-SLAB combines all the

The UNI-SLAB combines all the benefits of our traditional slabs with the versatility of a block

Proper air flow will also increase the maximum suitable operating temperature and help extend lifetime of system

no synthetic hormones are used

1 x Micro Drip | Flora Puncher

Designed for heavy duty clearing and scrubbing of tough vines

16x21x1 MERV 13 AC Furnace Filters 12 Pack HVAC & HOME VENTILATION The UNI-SLAB combines all theNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200