Pet Dander Reducing Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12 post harvest The product measures pH from

The product measures pH from 0 to 14 and TDS from 0 to 1999 mg/L (ppm)

1 x 1/2" Drain Cap Fitting

Maintenance: Quick and easy maintenance facilitated by accessible filter and drain hose

and the planet

create nutrient-rich kelp tea

Pet Dander Reducing Air Vent Filters 4x12 (Register Vent Filters) 1 Pack of 12 post harvest The product measures pH fromQty Per Unit: Package of 12 Register Pet Dander Reducing Air Vent Filters MERV 8 Electrostatic Register Vent Filtration Pet Dander Reducing Air Vent Filters have a permanent electrostatic charge to help trap dirt, dust, pet dander, dust mites, and pollen sized particles through furnace AC registers. Keeps dirt and objects from falling into ducts. Can be trimmed to fit standard size vents 4 X 12 and under. Air Register Vent Filters are made of a self