21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs • Increased Shelf Life: Increases

• Increased Shelf Life: Increases shelf life of fresh cut vegetables by 5-7 days

0-hour REI (Re-entry Interval) & 0-day PHI (Pre-Harvest Interval)

Our double-ended lamps have less than 5% degradation and significantly increased PAR light production compared to single-ended lamps

Application Rates

Zenport Saw SF240 9

21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs • Increased Shelf Life: IncreasesNordic Pure Custom MERV 13 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