28x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Extension Kit 8’11”

Extension Kit 8’11”

95 L/min : less than 150 Pa

it's built for real-world garden use — not just occasional watering

Bar spacing can be adjusted to optimize uniformity

【Sosen Driver】200W Sosen Driver helps achieve high PAR output and longer lifespan

28x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Extension Kit 8’11”Nordic Pure Custom MERV 13 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