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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
broad-spectrum
Inside dimensions: 39
Hydrofarm's Fan Speed Controller was designed especially for centrifugal fans
60% Relative Humidity)
Integra Boost Humidiccant 55% RONB3 broad-spectrumIntegra Boost Humidiccant uses patent pending technology that releases or absorbs moisture, maintaining relative humidity in a contained environment at or about 55% relative humidity. Each individually wrapped Integra Boost packet includes a replacement indicator card. When the round dot turns from pink to blue, its time to replace your Integra Boost pack. Available in 4 g (2 1 4 in x 2 in x 1 8 in), 8 g (2 3 4 in x 2 1 2 in x 1 8 in) or 67 g (4 in x