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PondMax | CT402 Air Pump

Regular price
$62.90
Regular price
Sale price
$62.90
Tax included.

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good to know

This air pump is super-quiet and comes with airline, check valves and air stones.

Warranty

2 years

Pairs Well With
PondMAX CT402 black air pump with adjustable airflow dial in front of its CT Series retail box, for hydroponic aeration
PondMAX CT402 air pump kit with 2m 4mm silicone airline, two check valves and two ceramic cylinder air stones

Product Details

πŸ’¨ PondMAX CT402 Air Pump – Quiet, Powerful Hydroponic Aeration (2 Outlets)

Give your roots the oxygen boost they crave with the PondMAX CT402 Air Pump. Built to deliver strong, steady aeration for nutrient tanks and DWC systems, it offers almost double the pressure of the PondMAX CT202, making it ideal for reservoirs of 200L or more. Quiet, adjustable and ready to go straight out of the box.


🌿 Key Features

  • Almost Double the Pressure of the CT202 – Strong aeration for larger hydroponic reservoirs
  • Adjustable Air Flow Control – Tailor oxygen levels to your system's needs
  • Low Noise Operation – Quiet performance for indoor growing environments
  • Easy Diaphragm Replacement – Quick maintenance for long-term reliability
  • Two Air Outlets – Run two air stones from one compact pump
  • Energy Efficient – Uses only 5W

πŸ“¦ What's in the Box

  • 1 x PondMAX CT402 Air Pump
  • 2m of 4mm clear silicone airline – Ready to set up out of the box
  • 2 x check valves – Backflow protection for peace of mind
  • 2 x 20 x 50mm ceramic cylinder air stones – High-quality diffusion for better oxygenation

πŸ“Š Specifications

  • Air Outlets: 2
  • Max Flow Per Outlet: 2.8L/min (x2)
  • Max Pressure: 0.02 MPa
  • Power Consumption: 5W
  • Cable Length: 2m
  • Warranty: 2 years
  • Recommended Reservoir Size: 200L or more

🌱 Why Choose the PondMAX CT402?

  • Strong aeration for larger hydroponic reservoirs and DWC systems
  • Quiet operation that suits indoor grow rooms and tents
  • Adjustable output for system flexibility
  • Complete kit with airline, check valves and air stones included
  • Easy maintenance for long-term reliability

FAQ

Q. What size reservoir is the PondMAX CT402 Air Pump suitable for?

The PondMAX CT402 is ideal for hydroponic nutrient tanks and DWC reservoirs of 200L or more.

Q. How does the PondMAX CT402 compare to the PondMAX CT202?

The CT402 delivers almost double the pressure of the CT202, making it the better pick for larger reservoirs that need stronger aeration.

Q. What comes in the box with the PondMAX CT402?

You get the CT402 air pump, 2m of 4mm clear silicone airline, 2 check valves and 2 ceramic cylinder air stones (20 x 50mm) – everything you need to start aerating straight away.

Q. How much air does the PondMAX CT402 put out?

It has 2 air outlets, each with a maximum flow of 2.8L/min, and a maximum pressure of 0.02 MPa. Airflow is adjustable, so you can dial it in to suit your system.

Q. Is the PondMAX CT402 noisy?

Not at all. It's designed for low noise operation, making it a great fit for indoor grow rooms and tents.

Q. How much power does the PondMAX CT402 use?

Just 5W, so you can keep your nutrient solution oxygenated around the clock without a big hit to your power bill.

Q. Is the PondMAX CT402 easy to maintain?

Yes! It features easy diaphragm replacement for quick maintenance and long-term use, and it's backed by a 2-year warranty.

Warranty & Returns

Please choose your products carefully, as A-Grade Hydroponics reserves the rightΒ not to accept returns based on either an incorrect choice or a change of mind.

However, we love happy customers so contact us with your query and we will do our best to accommodate you. If you have queries about a product you would like to purchase, please contact us to discuss your concerns before you buy.

A-Grade Hydroponics will honour all manufacturers warranties subject to the terms and conditions of those manufacturers. However warranty does not cover abuse, neglect, improper care, loss or damage from incorrect usage.

Warranty claims will be processed at A-Grade Hydroponics' discretion as a refund, repair or replacement. If products need to be returned to us for warranty purposes e-mail us at grow@agradehydroponics.com with the receipt/invoice number, date of purchase and a brief description of the fault (including photographs where possible). We will then issue you with a product return number.

All returns should be in original packaging and have the receipt/invoice number, date of purchase, and product return number enclosed. The product return number should also be written on the outside of the package for easy identification purposes.

A-Grade Hydroponics has a strict 'no returns' or refunds policy for liquid products, like nutrients, additives, gels, calibration fluids etc, so please choose these items carefully.

Shipping & Delivery

*All orders are dispatched in unmarked boxes to maintain your privacy.*

DISPATCH AND DELIVERY

Orders are shipped via Australia Post or shipping platform Big Post. Orders are generally dispatched on Tuesday, Wednesday and Friday. Please allow for additional delivery time for remote areas. If you require express delivery, please contact our sales representatives at 03 9555 6667 or email grow@agradehydroponics.com to obtain a quote.Β 

Couriers will attempt delivery to the specified address. If no one is home to receive the delivery, the couriers will leave your parcel somewhere safe. If there is no safe place, re-delivery or collection will be offered by the carrier.

Due to theΒ increasingΒ frequency of online fraud and theft,Β we are unable to ship to P.O. Boxes and Parcel Lockers.

SHIPPING COSTS

All freight charges are calculated on weight, dimensions and location. We are committed to keeping shipping charges at a minimum and do not charge handling fees.

Please note: Freight costs are subject to change. Regional areas, large and bulky orders, and tail-lift delivery occasionally incur an additional levy. Should shipping costs need to be amended it will be to reflect the actual charges, and not incur additional β€˜shipping and handling’ fees. We will notify you if this rare situation occurs.

A-Grade Hydroponics reserves the right to cancel the order if shipping costs become prohibitive and customers will be issued a full refund.

PAYMENT

All payments must be cleared before dispatch. Payments can be made online via PayPal, AfterPay, PayID or Electronic Funds Transfer. Payments can also be accepted via credit card by phoning 03 9555 6667.

Please allow at least 24 hours for payments to clear.

FULFILMENT OF ORDERS

You will be notified immediately if an item is permanently unavailable, with options for a replacement item at equal or higher value, refund or store credit.

All refunds will clear within 3-5 business days. Store Credits will be issued to customer accounts for future use online or in-store.

DANGEROUS AND PROHIBITED GOODS

These goods are available for in-store collection only.Β