28x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Nutrient Line Beta is also

Nutrient Line Beta is also designed to allow plants to easily absorb everything needed within a wide pH range

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

The weighing platform is about the size and shape of a CD

95 L/min : less than 150 Pa

28x34x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Nutrient Line Beta is alsoNordic 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