#square feet

Morngardo Chicken Coop Large Metal Run for 20 Chickens Waik in Yard Poultry Cage Hen House with Waterproof Cover

Merv 13 Filter Material for Air Filters , Stops Air Particles, Allergens, Dust, Mold and Pet Dander as Small as 0.3 Microns, Efficiency Breathable DIY Design