10x15x1 MERV 13 AC Furnace Filters 6 Pack Cleaning Products The TrolMaster DSP-1 program device

The TrolMaster DSP-1 program device module (timer module) works like a multi-function timer

Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies and to provide an unparalleled completely natural source of phosphorus and calcium

As an insecticide and miticide it works as an antifeedant (insects will stop feeding after they ingest it)

Bloom B optimizes reproductive development by helping the plant take in and protect phosphorus sources

Rated for 350 Watts max

10x15x1 MERV 13 AC Furnace Filters 6 Pack Cleaning Products The TrolMaster DSP-1 program deviceNordic 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