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GC-3K Full Spectrum + 660nm Deep Red: Top-bin Osram diodes deliver balanced spectral output for full-cycle growth without supplemental lighting
this microbial inoculant enhances nutrient cycling
our formula is genuinely nature-inspired
FDA approved
Quest MERV-13 Replacement Filter for Quest 335 - 20 x 22 x 2 Top Products from our Cultivation Experts GC-3K Full Spectrum + 660nmQuest MERV 13 Replacement Filter for Quest 335 20 x 22 x 2 The Quest 335 MERV 13 Replacement Filter is an essential accessory for maintaining optimal air quality in your indoor environment. Compatible with both the Quest 335 and Quest 335 277V dehumidifiers, this high efficiency filter measures 20 inches by 22 inches by 2 inches, offering a perfect fit and ease of installation. Crafted to meet the rigorous standards of MERV 13 rating, this filter is