OP1L Certified Whole House Lead, Cyst, PFOA, and PFOS Water Filter System Water System:OP1L Water Filter Cultilene rockwool 35 x 35

Cultilene rockwool 35 x 35 x 40mm Square (Case of 18 trays)

Grodan Expert is the slab that drains the fastest because of its vertical fibers

• INCLUDES A HORTILUX LU1000 SUPER HPS BULB

Plants need large amounts to form membranes and strong

soil and all other grow mediums

OP1L Certified Whole House Lead, Cyst, PFOA, and PFOS Water Filter System Water System:OP1L Water Filter Cultilene rockwool 35 x 35Certified performance for Lead, Cyst, PFOA, and PFOS treatment. Filters sediment, chlorine, and other disinfectant by products. Easy to replace filters no tools required. Lifetime Warranty on Tanks and Parts*. Free Shipping within the continental US. US based Technical Support. Detailed, easy to follow, step by step instructions for installation and filter replacements. Lead in the water supply Eighteen million Americans live in areas where the water