8x16x1 MERV 13 AC Furnace Filters 12 Pack New-releases - (2) Root Royale Hydro

- (2) Root Royale Hydro Clay Pebbles (50L/13Gal Bag)

Pump Housing:   Chemical Resistant Resin

Spraying once or twice a week will suffice for correcting nutrient deficiencies as well as adding an extra boost to plant health

The Bluelab Soil pH Meter can be used by everybody from the home enthusiast through to more robust commercial applications

Auto shutdown at Set Temp

8x16x1 MERV 13 AC Furnace Filters 12 Pack New-releases - (2) Root Royale HydroNordic 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