14_1/2x27_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Encarsia formosa can greatly reduce

Encarsia formosa can greatly reduce labor and control costs due to their relatively low cost and their mode of action

Head height: 14' (AAPC2010) and 23' (AAPC2020)

The new housing is compatible with lanyards to prevent losing or dropping

This procedure may be used at any time during vegetative or flowering phases if the growing media or irrigation system develops mineral imbalance or unwanted buildup

14_1/2x27_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Encarsia formosa can greatly reduceNordic 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