--- product_id: 397208487 title: "MARS HYDRO 4\" Inline Fan Carbon Filter Combo- 4\" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics" brand: "mars hydro" price: "€ 505.42" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.be/products/397208487-mars-hydro-4-inline-fan-carbon-filter-combo-4-inline store_origin: BE region: Belgium --- # Ultra-quiet 28 dB noise Smart temp & humidity control 205 CFM airflow MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics **Brand:** mars hydro **Price:** € 505.42 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your grow game with silent, smart airflow mastery! ## Quick Answers - **What is this?** MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics by mars hydro - **How much does it cost?** € 505.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/397208487-mars-hydro-4-inline-fan-carbon-filter-combo-4-inline) ## Best For - mars hydro enthusiasts ## Why This Product - Trusted mars hydro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Whisper-Quiet Operation:** Advanced plastic fan housing and blades keep noise below 28 dB—perfect for discreet indoor growing. - • **Precision Climate Control:** Intelligent temperature & humidity controller for tailored airflow and environment optimization. - • **Superior Odor Elimination:** Premium Australian virgin activated charcoal filter traps odors and contaminants for a pristine grow space. - • **Complete Plug-and-Play Kit:** Includes 33 feet flex ducting, 3 duct clamps, and easy clip-on mounting for fast, hassle-free setup. - • **Powerful & Efficient Airflow:** Delivers up to 205 CFM with a 2600 RPM motor, ensuring fresh air circulation without high energy costs. ## Overview The MARS HYDRO 4" Inline Fan Carbon Filter Combo is a professional-grade ventilation system designed for grow tents and hydroponics. Featuring a powerful 205 CFM fan with ultra-quiet operation at 28 dB, it includes a smart temperature and humidity controller for precise environmental management. The combo’s premium Australian virgin activated charcoal filter ensures 100% odor elimination, while the 33-foot ducting and mounting accessories provide a seamless installation experience. Ideal for millennial growers seeking efficient, discreet, and effective air circulation. ## Description MARS HYDRO 4 Inch Inline Duct Fan 4” Ventilation Exhaust Fan with Speed Controller for Grow Tents, Heating Cooling Booster, Hydroponics Inline Duct Fan 4" Carbon Filter Combo Ventilation ## Features - Package Include: 4"inline duct fan with Temperature Humidity Controller, 4"carbon filter, 33ft length flex ducting,3 Duct Clamps - 4 Inch Inline Duct Fan with Variable speed controller for easy fan speed adjustment.Durable plastic fan housing and blades for extremely low noise(<37 dB).Powerful Motor is more energy efficiency and quieter operation. - Superior carbon Made of imported Virgin Australian activated charcoal, delivering 100% filtered airflow, eliminate some of the most undesirable odors, pungent smell and particulates from indoor grow tent, hydroponics grow room. - Effective & Quiet Ventlation Kit: Excellent odor control,4" Inline duct Fan is rated for max 200CFM with Intelligent Temperature Humidity Controller programming, fan speed control, timer, and alarm system.Filter with built-in Australian virgin charcoal granules which enables to absorb exponentially more contaminants and allergens than traditional carbon. - Perfect Growth Partner: Fast assembly,work as a cost-effective,convenient ventilation combo.Satisfaction Guarantee: any problems will be responded in 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | Air Flow Capacity | 205 Cubic Feet Per Minute | | Asin | B08RZ3WH7N | | Brand Name | MARS HYDRO | | Collection Name | Inline Fans | | Color | Black | | Control Method | App | | Customer Reviews | 4.2 4.2 out of 5 stars (272) 4.2 out of 5 stars | | Electric Fan Design | Exhaust Fan | | Finish Type | Powder Coated | | Included Components | 4 inch inline duct fan, digital controller, carbon filter, 25 feet flex ducting, 3 duct clamps | | Indoor Outdoor Usage | Indoor | | Installation Type | installable | | Is Product Cordless | No | | Item Weight | 1.81 Kilograms | | Manufacturer | MARS HYDRO | | Material | Plastic | | Model Name | 4 inch inline fan kit-CP | | Model Number | 4 inch inline fan kit-CP | | Mounting Type | Clip-on/Clamp Mount | | Noise Level | 28 Decibels | | Number Of Packs | 1 | | Number Of Power Levels | 3 | | Part Number | 4 inch inline fan kit-CP | | Power Source | Corded Electric | | Recommended Uses For Product | Air Circulation, Cooling, Exhausting, Ventilating | | Size | 4"with iControl Controller | | Special Features | Timer | | Speed | 2600 RPM | | Style | 4 Inch with Digital Controller | | Unit Count | 1.0 Count | | Voltage | 12 Volts | | Wattage | 50 watts | ## Product Details - **Brand:** MARS HYDRO - **Colour:** Black - **Electric fan design:** Exhaust Fan - **Material:** Plastic - **Mounting type:** Clip-on/Clamp Mount - **Noise level:** 28 Decibels - **Power source:** Corded Electric - **Recommended uses for product:** Air Circulation, Cooling, Exhausting, Ventilating - **Special features:** Timer - **Style:** 4 Inch with Digital Controller ## Images ![MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics - Image 1](https://m.media-amazon.com/images/I/71idy7YHZtL.jpg) ![MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics - Image 2](https://m.media-amazon.com/images/I/71bRSSxv6CL.jpg) ![MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics - Image 3](https://m.media-amazon.com/images/I/71A9pEnbLXL.jpg) ![MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics - Image 4](https://m.media-amazon.com/images/I/61VQvb5nhaL.jpg) ![MARS HYDRO 4" Inline Fan Carbon Filter Combo- 4" Inline Fan with Temperature Humidity Controller, 4 Inch Carbon Filter, 33 Feet Ducting, 3 Duct Clamps Ventilation System for Grow Tent, Hydroponics - Image 5](https://m.media-amazon.com/images/I/71Fo-jZe7AL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ De bonne qualité *by on Reviewed in France 28 December 2023* Au top et silencieux ### ⭐⭐⭐⭐⭐ Matériel de qualité *by on Reviewed in Belgium 2 September 2026* Max hydro reste mars hydroquet dire de plus ### ⭐⭐⭐⭐⭐ Leise & effizient genauso wie gewollt. *by on Reviewed in Germany 16 May 2026* Habe diesen Artikel im set bestellt .. Ich konnte alles ohne Probleme zusammen bauen .bei der qualität habe ich bisher auch nichts auszusetzen.. das gerät läuft genauso wie ich es möchte & genau so wie ich es eingestellt habe.Preis/leistung ist wirklich top! ## Frequently Bought Together - MARS HYDRO 4 Inch Inline Fan and Filter, with Temperature and Humidity Controller, and 25 Feet Ducting, Exhaust Fan for Grow Tents, Hydroponics - MARS HYDRO TS1000 150W LED Grow Light for Indoor Plants, with Patented Reflector, 5 Levels Dimmable Lights Daisy Chain Full Spectrum Growing Lamps for Seedlings Veg Bloom in 2x2/3x3 Grow Tent --- ## 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.be/products/397208487-mars-hydro-4-inline-fan-carbon-filter-combo-4-inline](https://www.desertcart.be/products/397208487-mars-hydro-4-inline-fan-carbon-filter-combo-4-inline) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-13*