Pondmaster - AP-20 Deep Water Air Pump - 1700 cu. in/min. - 04520

Pondmaster - AP-20 Deep Water Air Pump - 1700 cu. in/min. - 04520

Product Details

The Pondmaster® / Supreme / Supreme Hydroponics - AP-Series air pumps have been designed to satisfy the requirements of a multitude of water-related application. These beautifully designed, environmentally friendly pumps can be used for:

• Oxygenating Outdoor Ponds and Water Gardens
• De-Icing Outdoor Installations During Harsh Winters
• Oxygenating Indoor Water Features
• Aerating Single or Multiple Aquarium or Terrarium Tanks
• Great for hydroponics and aquaponics use
• Great for winter aerating and keeping a hole open. Use all year long.
Instruction Manual .PDF
• 1 Year Limited Manufacturer's Warranty

All AP-Series air pumps operate on standard 115V AC electric and come with 6' power cords. They have been designed to operate efficiently with a motor that is non-oil lubricated.

For outdoor applications, it is recommended that the water resistant ABS plastic unit be enclosed with allowance for air circulation to protect it from the elements.


  • Item Number: 04220 / 04520 / 40520
  • Maximum water depth: 7 feet
  • Dimensions: 9"L x 6"W x 7"H
  • Power Cord: 6ft Long
  • Air Flow: 1700 Cubic inches/minute / 0.98 CFM
  • Pressure: 4.0 psi
  • Noise level: 40 dba (varies based on load)
  • Power Usage: 20 Watts
  • Hose Size: 5/8" I.D. (Tubing not Included)

What's in the box: (1) AP20 Air pump with 6ft long power cord, (1) 4-3/4" Long Air Diffuser -  Has 5/8" Barb for airline to connect to air pump and 6 (non-adjustable or   closable) barbed outlets to optionally connect 1/4" ID tubing, (1) rubber  coupler, (2) clamps and instructions.

Product Reviews

5 stars based on 2 reviews 
Palm PA
Pond air pump I have the next size larger in my pond running for 4 years now. The bubbles make it hard for the Herrin to see my fish. This is a backup for my first pump.Lasts very long
Pros:Lasts very long
2 of 2 found this review helpful Was this review helpful to you? Yes / No
Massapequa Park, NY
Pondmaster AP Deep Water Air Pump This is my second unit in 6 years. My first unit ran 24/7 in the Northeast through all four seasons keeping my Koi healthy.
8 of 9 found this review helpful Was this review helpful to you? Yes / No
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Estimated Delivery Date

All of our in-stock products usually ship the same or next business day. The table below will show you an estimated* date your order will arrive. See special notes below

Shipping Method Approximate Processing Time Approximate Shipping Time Estimated Delivery Date
Eco-Saver Shipping 1-3 business days if ordered by 12:00 Noon EST 2-10 Business Days
Ground Service Same to Next day if ordered by 1:00 PM EST 2-7 Business Days
3-day Select Same day if ordered by 1:00 PM EST 3 Business Days
2nd Day Ai Same day if ordered by 1:00 PM EST 2 Business Days
Next Day Air Same day if ordered by 1:00 PM EST 1 Business Day
Next Day Air Saver Same day if ordered by 1:00 PM EST 1 Business Day by End of Day
UPS Standard - Canada Within 24 to 72 hours 5-10 Business Days

* Delivery dates are estimates only and can vary due to backorders, order processing delays, payment information, customs clearance, and various shipping delays that may be out of our control. Please refer to the specific product page which will show additional information, as some items may require additional shipping time or ship directly from our suppliers. After we receive your order, an order confirmation email is sent automatically from within our website which will show stock status for the item(s) on your order. Business days are Monday - Friday with Holidays excluded. When your order ships, we add your e-mail address into the UPS software which will send you tracking information, so you can track shipment status online, anytime! Here is a link to our complete shipping information including a UPS transit map: Click Here