Alchemist H2O2 Liquid Oxygen 34% Gallon (4/Cs)
Sound reducing acoustic foam decreases fan noise by up to 50. Use with fans in conjunction with carbon filters, light systems and more. Durable and light weight aluminum body. Compact size is easy to install. Attach a Phresh Silencer to the intake or ehaust side of an inline fan. Use on both sides for maimum sound reduction.