8_7/8x19_1/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack king shredder The Rack Tray is perfect

The Rack Tray is perfect for large-scale microgreen or propagation production accommodating sixteen

No smell after a few minutes and my plants have stayed pest-free all season

maintains soil structure

Temperature Considerations: Zelus renardii is tolerant to adverse temperature/humidity levels and has shown effectiveness in hot climates

Set on time from 1 minute to 14 hours

8_7/8x19_1/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack king shredder The Rack Tray is perfectNordic Pure Custom MERV 7 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