Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Perlite size #3
500°K - 10
Recommended for use on vegetables
With properly sized chiller
anti-kink hose Comfortable "D" handle pump Valve snaps into pump handle for one-handed spraying
Duct Fan Silencer 4 - Duct Fan Silencer for 4" Duct Fan rock-bottom Perlite size #3A duct muffler designed for use with inline fans in grow tents, bathroom fans and other HVAC applications. Features dual aluminum flanges to help absorb sound waves from fan vibrations and airflow. High quality neoprene foam in an egg crate pattern that will reduce fan noise by up to 50%. Galvanized steel body that is corrosion resistant and can withstand extreme temperatures. Duct Opening Diameter: 4 inches Length: 15 inches Weight: 2. 30 pounds
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