1 used from $74.00

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Rena Air Pump

by Rena
88 customer reviews

Available from these sellers.
5 3/4" L X 3" W X 2 1/2" H
  • Powerful and constant rates of air flow for superior efficiency
  • Ultra quiet
  • 3 year guarantee
1 used from $74.00


Product Description

Size: 5 3/4" L X 3" W X 2 1/2" H

The innovative use of expansion chambers, curved casing and tight fitting base makes RENA AIR the quietest air pump yet. High pressure enables them to maintain optimum flow rate. UL and CUL approved. For 30-75 gallon tank, 1 outlet w/adjustment.

Product Details

Size: 5 3/4" L X 3" W X 2 1/2" H
  • Product Dimensions: 3 x 5.8 x 5.8 inches
  • Shipping Weight: 1.1 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B000255MVA
  • Item model number: 702D
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (88 customer reviews)
  • Amazon Best Sellers Rank: #88,651 in Pet Supplies (See Top 100 in Pet Supplies)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

19 of 19 people found the following review helpful By David A. Roseman on October 24, 2005
Size: 4 1/2" L X 2 1/4" W X 2"
Over 5 years ago, when I asked my local aquarium store for a recommendation on a quiet air pump I was told "Get a Rena". So I purchased one and hooked it up. The pump was so quiet that I couldn't even hear it operate which was important since the aquarium is close to my bedroom. Finally after years of faithful service the pump began to wear out with less and less output. I went to another aquarium store and was convinced by the sales clerk to get a Tetratec model. When I hooked it up it made so much racket that I couldn't sleep. I then went back to the orginal store and they sold me a rebuild kit for the pump for less than $8. I renewed the pump and once again it works flawlessly with no discernable noise. Rena pumps are just fine quality devices I highly recommend.
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23 of 24 people found the following review helpful By Toshio Shimada on August 9, 2006
Size: 5 3/4" L X 3" W X 2 1/2" H
The most quiet air pump I have ever owned. I was a faithful customer of Hagen and Tetra air pumps but got fed up with the noise... then I tried Rena. My Rena Air pump has been running for 3 years without any problem. The pump is powerful enough to generate a curtain of air bubbles using long difusers. The air flow is adjustable.
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10 of 10 people found the following review helpful By nicholas edward davison on January 23, 2013
Size: 5 3/4" L X 3" W X 2 1/2" H Verified Purchase
When they were good, they were very, very good and when they were bad, they were horrible.

I'm apparently slowly working my way through Amazon's stock of Rena Air Pumps.

First I ordered a 400. It was LOUD (bumped a quiet room from 40 to 46db at 1m (kind of making me seriously question Rena's 30db at 1m claims). Once plugged in, it turns out it generated no power on one side. The 400 is supposed to be two 300s in the same enclosure. I'd bought one 300 and one noise maker that didn't push any air. Fortunately, Amazon are awesome about returns.

Given the 400 was only 50% successful, I replaced it with two 300s. That way, if one was faulty, I could keep using the other one while I sent the faulty one back. It's $10 more than a 400 but keeps the tank aerated in case of issues. I'm very glad I did. Sure enough, one works well while one makes a lot of noise and can't drive air through the airlines, let alone produce the air a borrowed 200 is producing.

The lessons I'm learning here are:

1) Rena's quality is *very* variable. You can get very good ones. And you can get very bad ones. I'm running at about a 50% success rate (counting the 400 as two pumps as it is exactly that - two x 300s inside one enclosure).

2) If it's running very loud or barely putting out air, even after you adjust the flow control, you likely got a bad one.

3) Decibels are an incredibly subjective measure. What does 30db at 1m recorded in a silent room really mean in your home? With a TV on, with background noise, it shouldn't be too noticeable. In a quiet room while you're home alone, expect to easily hear it through an aquarium stand and for it to be approaching the noise of a running fridge.
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9 of 9 people found the following review helpful By Luna on August 6, 2009
Size: 150 Gallon Verified Purchase
This is the most powerful quiet pump available. Hands down. Now, it's not the most powerfull available, but then again, who wants a turbine running in their house that they have to listen to all day? This pump is plenty powerful (only mildly less than the louder models) and a great choice. Believe me: I've tried them all. Pretty long lasting as well - My last one kicked the bucket after 4 years of hard work.
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8 of 8 people found the following review helpful By Greta A. Railsback on May 12, 2007
Size: 150 Gallon
Tried several pumps, I own two of these pumps. I use them pump in a 55 gallon and a 46 gallon. Extrememly quite and powerful. Great purchase.
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9 of 10 people found the following review helpful By Meg Cummins on October 11, 2006
Size: 4 1/2" L X 2 1/4" W X 2"
I bought this pump today and hooked it up. It made almost no sound. You could only really hear it when you put your ear next to it. I have been ignoring the loud rattle that my old pump made for entirely too long. It costs more in the stores than the other pumps, but its well worth it. Heck, the fish seem happier without a big rattling thing vibrating their water, remember sounds carry better through water than air, so if its loud for you, imagine how it is for them!
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6 of 6 people found the following review helpful By Dwight Andersen on May 4, 2009
Size: 30 GALLON
I've owned my Rena 200 now for 6+ years and am VERY happy. It's so quiet--almost silent. It is just now starting to loose some of its original power, though still performing well enough for my 30 gallon tank. I'll be replacing the diaphram with the rebuild kit and be ready to go for another run--maybe another 6 years. Great pump. The other reviews which mention the noise are NOT what I have experienced--like I said, running 6+ years now and all super quiet!
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6 of 6 people found the following review helpful By S. Janes on November 13, 2007
Size: 4 1/2" L X 2 1/4" W X 2" Verified Purchase
I just got in my 2 new Rena Air pumps. I have been on the long search for a quiet pump. This is it. I would suggest this to anyone who has a tank located where noise can be a factor. I am hopeful these will be running worry free for a long time.
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