--- product_id: 63970090 title: "Hydroponics 4\" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System" brand: "leemas inc" price: "$225.55" currency: USD in_stock: true url: https://www.desertcart.us/products/63970090-hydroponics-4-inline-fan-blower-silencer-duct-muffler-noise-reducer store_origin: US region: United States of America --- # Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System **Brand:** leemas inc **Price:** $225.55 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System by leemas inc - **How much does it cost?** $225.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/63970090-hydroponics-4-inline-fan-blower-silencer-duct-muffler-noise-reducer) ## Best For - leemas inc enthusiasts ## Why This Product - Trusted leemas inc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description This is a brand new Upgraded 4" Inline Duct Muffler for 4" high velocity fans/blowers. With durable galvanized sheet construction and sound absorbing foam lining, our duct muffler can reduce noise effectively and prevent your health from being hurt by noise. The special designed open cell foam in a convoluted pattern as egg crate is good for superior sound absorption. It can stop the spread of sound wave and allow air flow get through the ducting, perfect for reducing noise from fans and carbon filter systems. Features: * Two 4" flanged ends. * Portable and light weight. * Safe and effective operation. * Easy to install and maintenance free. * The thickness of sound absorbing foam has been upgraded to 3-1/4" (that is more effective than 1-1/2" or 2" in the market) * High-quality corrosion resistant galvanized sheet construction. * Wave crest polyurethane sponge can offer excellent sound and vibration absorption. * Moisture resistant - great for use in damp environment. * Extended collar and lip for easy duct hook-up. * Suggest to use with your 4" ducting(not included) to connect with this muffler and your blower. Specification: * Flange: 4" * Fit for Fans/Blowers: 4" Flange * Surface Material:Durable Galvanized Sheet * Sound Absorbing Foam: 3-1/4" Thick Wave Crest Polyurethane Sponge * Fusion Point of Foam: 250 degree centigrade * Overall Size: 6-1/2" Diam. x 15-3/4" Long Package Includes: * 1x Upgraded 4" Duct Muffler With Thick Sound Absorbing Foam Our excellent duct muffler can make your indoor gardening fan obviously quieter, and help you to keep the good health of hearing. Enjoy your healthy life! ## Features - Two flanged ends, portable and light weight - Safe and effective operation - The thickness of sound absorbing foam has been upgraded to 3-1/4" - High-quality corrosion resistant galvanized sheet construction - Overall Size: 6-1/2" Dia. x 15-3/4" L ## Images ![Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System - Image 1](https://images-na.ssl-images-amazon.com/images/I/41i2JLOP3%2BL.jpg) ![Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System - Image 2](https://images-na.ssl-images-amazon.com/images/I/41bj7r%2B%2BY-L.jpg) ![Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System - Image 3](https://images-na.ssl-images-amazon.com/images/I/61Jrx3GUl3L.jpg) ![Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System - Image 4](https://images-na.ssl-images-amazon.com/images/I/51VZyS7gYKL.jpg) ![Hydroponics 4" Inline Fan Blower Silencer Duct Muffler Noise Reducer Light Weight Durable Galvanized Sheet for Grow Tent System - Image 5](https://images-na.ssl-images-amazon.com/images/I/41XqZh7x0mL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/63970090-hydroponics-4-inline-fan-blower-silencer-duct-muffler-noise-reducer](https://www.desertcart.us/products/63970090-hydroponics-4-inline-fan-blower-silencer-duct-muffler-noise-reducer) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-10*