Oct 24, 2017 · Brief description of the various shrouds out there now for Antminer. Sorry folks had to disable comments a competitor was being less than professional with t... I wanted to share my Antminer fan ducts that hook up to standard 4" and 5" hoses and have been excellent at keeping the miners cool and noise levels down. They are designed to use the existing hardware and just attach to the miner. They are 3D printed using ABS plastic, so they are durable and strong They can be used on the intake and exhaust fans. Fan Ducts · The fan ducts help reduce noise, and enable you to vent heat away from miners. My material PLA+ goes up to to 190F. 10 X Antminer T9 S1 S3 S5 S7 S9 A3 D3 L3 V9 5" 120mm High Temp Fan Duct Shroud | eBay ANTMINER NOISE PROTECTIONBrand New 4" x 12" Noise Reducer for use with Bitmain Antminer D3, L3+, L3, T9, S9, S7, S5, S3 and Avalon. This item has never been used.Antminers are quite loud. 150mm Fan Shroud For Sale. View a vast selection of 150mm Fan Shroud For, all carefully selected. We are a leading 150mm Fan Shroud For discounter, find a wide 150mm Fan Shroud For deals for sale from Ebay.