17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Spray Patterns Designed for Nursery

Spray Patterns Designed for Nursery Containers Pick the spray pattern that is right for your plants

Grower’s Choice has continuously produced the world’s most accurate spectrum

The compact size of the station allows anyone with a spare corner to start a garden

support growing decisions and improve crop performance

17x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack propagation trays Spray Patterns Designed for NurseryNordic 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