20x24x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack Amendment Hydroponic Use: Add 1-2 oz
USD36.99
USD85.99
20x24x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack Amendment Hydroponic Use: Add 1-2 oz
USD36.99
USD85.99
Pay in 4 interest-free payments of $9.25 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
Harbor notes
Description
20x24x4 (3 5 8) Pleated MERV 12 Air Filters 1 Pack Amendment Hydroponic Use: Add 1 2 oz Hydroponic Use: Add 1 2 oz per 5 gallons of reservoir water once to twice weekly Safe to use as often as necessary during the growing season
Exchange/Return Notes
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