Fits Hunter 4-in-1 Total Air Purification Air Purifiers: 30836, 30841, 30847, 30848, 30876. Protected against that which causes bad odors and alters filter performance. Helps effectively reduce particles such as dust mites, pollen, pet dander, and fabric fibers from the air. Approximate Dimensions: 10' x 4.5' x 1.5' By LifeSupplyUSA.