Pay in 4 interest-free payments of $16.92 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
PBH Rice Hulls add porosity to the rooting substrate that allows improved movement of water and oxygen to aid root development and reduce the incidence of disease
5-inches - 100% USA Based Warranty
Maintains flower shape for maximum visual appeal and aroma
High phosphorus and potassium levels increase flower production and potency
12x14x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Fertilizer PBH Rice Hulls add porosityNordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition
US$ 1622.81
US$ 1315.79
