Mushroom cultivation, 24''''x24''''x11.5'''' AC Filter, True HEPA Air filte

Mushroom cultivation for Clean room filter less than 6 months old in great condition

HEPA Replacement Filter, 24''''x24''''x11.5'''' AC Filter, True HEPA Air Filter, Air Filter Replacement with Wood frame 99.97% Standard Filter


Just the filter unit as you see in the picture