3M Filtrete 16 In. x 20 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Toilet Bowl Brush Set Can be used on all

Can be used on all schedules and classes of PVC pipe and fittings with interference fit

A controlled release system maximizes the life of the attractant and protects the attractant from environmental degradation

Dual coil springs for maximum durability and tool life

Drip-free dependability - Quality ceramic disc valve offer a lifetime of drip-free performance

3M Filtrete 16 In. x 20 In. x 1 In. Allergen Defense 1000/1085 MPR Furnace Filter Toilet Bowl Brush Set Can be used on allHelps protect your home by reducing allergens in your air Attracts and captures microscopic particles like lint, dust mite debris, pet dander, smoke, and smog Attracts and captures large allergens like mold spores and pollen Lasts up to 3 months Pleated Electrostatic