17_1/2x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack tubing Long Lasting: Superior product stability

Long Lasting: Superior product stability means longer shelf life

Check out Eye Hortilux's main PowerVEG page for combination suggestions

Outputs over 2700 µmol/s of plant biologically active radiation (PBAR 280-800nm) when operated on 1150W as verified by independent laboratory testing

All SG ballasts also feature an exclusive Lock & Seal plug system

We test twice to ensure accuracy and viability

17_1/2x27x1 Trane Replacement MERV 7 Plus Carbon AC Furnace Filters 6 Pack tubing Long Lasting: Superior product stabilityNordic Pure Trane Replacement 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