Description
18x24x4 (3 5 8) Pleated MERV 12 Air Filters 2 Pack hydro components This premium double ended lamp outputs This premium double ended lamp outputs 580 μmol s of photosynthetic photon flux (PPF 400 700nm) for superior performance in indoor grows and greenhouse environments the Jumbo is a particularly good choice of block size for an ebb and flow system because it is 2 in shorter than the Biggie