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Pyur Scientific ISO 99
Made with triple washed coco coir to guarantee low salts
AGROSUN halides OUTPERFORM common sodiums in 4
Possibly the strongest REUSEABLE duct on the market with a cost similar to the leading competitor's regular 3-ply duct
20x20_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack smoking-accessories Pyur Scientific ISO 99Nordic Pure Custom MERV 10 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
