17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack rock-bottom 🏗️ Landscapers – Keep turf

🏗️ Landscapers – Keep turf and plantings healthy with quick on-site diagnostics

One perfect for 2x2ft grow tent and four for 4x4ft grow box

It can be incorporated into potting soils

Eliminator’s proprietary formula is made in handcrafted batches to ensure maximum quality control

Colloidal Silver or whitening products

17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack rock-bottom 🏗️ Landscapers – Keep turfNordic 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