18x24x4 (3 5/8) Pleated MERV 10 Air Filters 2 Pack Hydroponics Recycling timer on/off range: 1
Baker’s notes & crumb story
Description
18x24x4 (3 5 8) Pleated MERV 10 Air Filters 2 Pack Hydroponics Recycling timer on off range: 1 Recycling timer on off range: 1 second to 24 hours Each duct collar is made of galvanized steel that can weather extreme temperatures and is finished with a corrosion resistant zinc coating