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Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo with Temperature and Humidity Controller

Mars Hydro

6 total reviews

Regular price
Price: $179.99 USD
Regular price
List Price: $0.00 USD
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Price: $179.99 USD
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Availability: 41 in stock

Estimated Arrival: Between Apr 26 and May 01.

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Why Buy From Grow Tents Depot
  • Ventilation System Includes: 4'' Inline Duct Fan, 4'' Carbon Filter, Thermostat Controller, 25-ft Flexible Duct Tube, 3 Duct Clamps, and 2 Hanging Straps.
  • Smart Operation and Quiet Inline Fan: The Mars Hydro 4 inch inline fan features a PWM-controlled EC-powered motor and mixed-flow design, delivering airflow up to 205 CFM quietly. Controlled by a digital touch-screen thermostat controller with a sensor probe, it offers functions such as "Environment Monitor", "Timing Schedule", "temperature/humidity alarm", and "high/low temperature or humidity triggers". It also provides a 10-speed adjustment, controller lockout, calibration mode, and screen brightness modification to maintain a stable and consistent indoor grow environment.
  • Keep The Air Fresh With Charcoal Filter: The filter core is made of 1050+ activated charcoal imported from Australia for 100% fresh air and odor elimination. The double-sided galvanized steel mesh provides 53% open area for airflow to pass through, ensuring thorough odor absorption and elimination. (The carbon filter is covered by a prefilter cloth; do not remove it when using.)
  • Durable Flexible Ducting & Connecting Accessories: This ventilation kit comes with a 25-ft-long PVC thermoplastic flexible duct tube, 2 adjustable hanging straps, and 3 duct clamps to easily connect the inline fan, carbon filter, and ducting tube, making it durable and easy to use.
  • Your Smart Ventilation System: The Mars Hydro 4 inch inline duct fan and carbon filter combo ventilation kit is capable of ventilating and filtrating a 2x2, 2.3x2.3, or 3x3 grow tent. With a smart thermostat controller, this 4 inch ventilation kit is the best grow tent air filtration and environment control system for your grow tent or grow room.
  • Specifications
  • Fan Size: 4"
  • Airflow: 205 CFM
  • RPM: 2,600 RPM
  • Noise: 26.8 dB-A
  • Voltage: AC ~ 110-240V
  • Dimension: 11.93" x 7.95" x 7.48" (303 x 202 x 190 mm)
  • Bulk Discount
  • Buy 2 or more of this item and receive $5 off each at checkout!
  • Media
  • Price Match Guarantee
  • Shop safe knowing that Grow Tents Depot offers the lowest prices on all of our products - all the time - guaranteed!
  • We work very hard to ensure that we always have the absolute best prices online, so we make this guarantee knowing that if you find a lower price somewhere else, we will match or even beat our competitor's price! Simply reach out to us with a screenshot and link of our competitor's price (including shipping) and let us make you an offer! If you have already purchased with us and you find a better price within one week of your order, let us know and we will issue a refund for the difference!
  • Our 100% price match guarantee has some limitations:
  • -Promotions such as rebates, "buy one, get one free", and other discounts are not eligible.
  • -The item must be in stock on the competitors website when you request your price match.
  • -The competitor must be an online store and may not have a retail location.
  • -The website cannot be a discounter or auction website (e.g. Amazon, eBay, Overstock, etc.).
  • -The competitor must be an authorized retailer of the product in question.
  • -The price match applies to the item price and the shipping charges but excludes sales tax.
  • -On rare occasions, we reserve the right to refuse a price match if we would incur a loss.
  • Get growing today!
  • Shipping, Returns, and Cancellations
  • Order Confirmation:
  • As soon as your order is placed, an order confirmation e-mail will be sent to you. This means that your order has been successfully entered into our system and that we have pre-authorized your payment method for the purchase. In rare cases, if your product is unavailable or delayed, we will contact you and see if you would like to either wait for your item(s) to become available, change your order, or simply be refunded for your cancelled item(s). If your item(s) are immediately available, we will process your order and arrange for soonest possible shipment. Please note that once the order is processed we are unable to change the shipping address.
  • Order Shipment:
  • We offer FREE SHIPPING on all orders and currently service the lower 48 states. Most items are shipped within 1 to 3 business days and shipping time is typically between 1 to 7 business days. There are some products that have a slightly longer lead time and this will be indicated on the individual product pages if applicable. Once your order has shipped, we will send you the tracking information as soon as it becomes available. If a week or more has gone by and you still have not received the tracking information (or the number is not working), please reach out to us right away at If you are in Alaska, Hawaii, or outside of the US and would like to place an order: we may be able to ship to you, but you will need to reach out to us for a custom shipping quote.
  • Cancellations and Refunds:
  • If you need to cancel your order, please reach out to us as soon as possible. Cancelled orders are subject to a 5% administrative fee (for credit card, debit card, Amazon Pay, Coinbase, and Facebook orders) or an 8% administrative fee (for Shop Pay Installments and Sezzle orders). We can accommodate most cancellation and refund requests, however if a product has been arranged to ship or has shipped, then the item will be treated as a return and will potentially be subject to return shipping costs and restocking fees. Any refunds that may be issued will only be issued to the original payment method used when placing your order and only after the return has been confirmed to be received back in its original condition.
  • Returns:
  • Please see our full return policy at the footer of this page for brand-specific details. A restocking fee of 5-25% may apply on returns within the dates of the brand-specific return policies. If you would like to proceed with a return, please reach out to us to receive the precise return instructions and clarification on the restocking fees for your item(s).
  • Warranty
  • Grow Tents Depot only sells brand new products, never used, and therefore all items come with full manufacturer warranties if offered. Please note that Grow Tents Depot is not responsible for replacing or repairing your product while under warranty as this is the manufacturer's commitment to you. However, Grow Tents Depot would be happy to assist you in getting your product repaired or replaced by coordinating with the manufacturer.
  • If you would like us to assist with a warranty claim, please reach out to support with the following information:
  • Your order number.
  • Your shipping address.
  • A brief description of the issue.
  • Any photos or videos demonstrating the issue.

  • Customer Reviews

    Based on 6 reviews

    worth every penny

    Amazing experience!!!!

    Killer company with awesome delivery times and excellent communications!!! Absolutely love my purchase. The ventilation system is easy to use and amazing quality for the price!!!


    Works flawlessly!!!!!