13x21_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl-athena - Includes 8 foot pre-wired

- Includes 8 foot pre-wired 120V cord

This lamp provides outstanding growth light performance over the life of the product

The fixture comes with an ILUMINAR Lighting HPS Lamp

• Indoor soil mix

Each tag lasts 15 days

13x21_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl-athena - Includes 8 foot pre-wiredNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition