{"product_id":"ac-infinity-8-inline-duct-fan-silencer-galvanized-steel-neoprene-foam-muffler-for-8in-ducts-reduces-noise-up-to-50","title":"AC Infinity 8\" Inline Duct Fan Silencer — Galvanized Steel, Neoprene Foam Muffler for 8in Ducts, Reduces Noise up to 50%","description":"\u003cp\u003e\u003cstrong\u003eAC Infinity 8\" Inline Duct Fan Silencer is a galvanized-steel duct muffler with neoprene egg‑crate foam and dual aluminum flanges designed to cut inline fan noise by up to 50% while maintaining airflow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered for inline fans used in grow tents, bathrooms, and HVAC runs, this 8‑inch silencer reduces tonal and broadband noise from fan motors and turbulent airflow. Its combination of sound‑absorbing materials and rigid outer shell reduces vibration transfer and resists corrosion and temperature stress. The unit is compact enough to install inside duct runs yet robust enough for repeated installs and seasonal use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the muffler reduce fan and airflow noise?\u003c\/h3\u003e\n\u003cp\u003eThe silencer uses layered acoustic design to interrupt and dissipate sound energy produced by the fan and moving air. An internal egg‑crate neoprene foam traps and converts sound waves, while the dual aluminum flanges decouple the muffler from the fan, reducing vibration transmission to the ductwork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEgg‑crate neoprene foam for broadband sound absorption.\u003c\/li\u003e\n  \u003cli\u003eDual aluminum flanges to isolate mechanical vibration.\u003c\/li\u003e\n  \u003cli\u003eGalvanized steel casing reflects and contains internal noise.\u003c\/li\u003e\n  \u003cli\u003eOptimized internal length (14.75\") for mid‑ and high‑frequency attenuation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my existing duct system and inline fan?\u003c\/h3\u003e\n\u003cp\u003eYes, the silencer is sized for an 8‑inch duct opening and installs inline like a length of duct. The flanges align with standard 8\" ducting; verify duct inner diameter and clearance for the 14.75\" total length before purchase to ensure a proper fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDuct opening diameter: 8 inches — matches standard 8\" ducting.\u003c\/li\u003e\n  \u003cli\u003eTotal length: 14.75 inches — plan for inline clearance.\u003c\/li\u003e\n  \u003cli\u003eWeight: approximately 6.00 pounds — sturdy but manageable for typical mounts.\u003c\/li\u003e\n  \u003cli\u003eFlanges accept common clamps, screws, or duct tape for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the silencer in humid or warm environments?\u003c\/h3\u003e\n\u003cp\u003eThe body is constructed from galvanized steel for corrosion resistance and thermal stability, while the closed‑cell neoprene foam tolerates humid conditions better than open‑cell materials. Together, these materials provide long service life in grow tents, bathrooms, and many HVAC applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGalvanized steel resists rust and withstands temperature variations.\u003c\/li\u003e\n  \u003cli\u003eNeoprene foam remains dimensionally stable in humid environments.\u003c\/li\u003e\n  \u003cli\u003eRobust build suitable for seasonal or continuous operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this affect airflow and fan performance?\u003c\/h3\u003e\n\u003cp\u003eDesigned for inline placement, the muffler minimizes pressure drop while focusing on noise attenuation. Its profile balances acoustic treatment with an unobstructed airflow path to avoid significant reductions in fan CFM when matched with properly sized ducting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal geometry preserves airflow to limit static pressure increase.\u003c\/li\u003e\n  \u003cli\u003eBest used with fans rated for 8\" duct systems to maintain performance.\u003c\/li\u003e\n  \u003cli\u003eInstall straight runs before and after the silencer to reduce turbulence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AC Infinity 8\" Inline Duct Fan Silencer is intended for hobbyists and pros who need quieter inline ventilation—growers, bathroom vent installers, home HVAC improvers, and anyone retrofitting noisy inline blowers. If you want a compact, corrosion‑resistant muffler that reduces fan noise without major airflow penalties and fits standard 8\" ducting, this model is a practical choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the silencer reduce vibration from the fan motor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Dual aluminum flanges help decouple the fan from ductwork, lowering vibration transmission and reducing mechanical noise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it fit 8-inch ducting and inline fans?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit has an 8\" duct opening and installs inline; confirm you have at least 14.75\" of clearance for proper placement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AC Infinity","offers":[{"title":"Default Title","offer_id":56843277238612,"sku":"B0829DZB9W","price":166.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ac-infinity-8in-silencer-front-view.jpg?v=1787078847","url":"https:\/\/gardenluxe.co.uk\/products\/ac-infinity-8-inline-duct-fan-silencer-galvanized-steel-neoprene-foam-muffler-for-8in-ducts-reduces-noise-up-to-50","provider":"Gardenluxe Uk","version":"1.0","type":"link"}