| | |  | Air Pumps & Accessories | Home » » » Silent-Air® X4 Air Pump, 2-Outlet - Up to 65 Gallons | | | | | | | Description: | | The standard in high-quality air pumps, Silent Air® pumps provide high performance, durability and reliability. Acoustically designed for smooth, quiet operation, the Silent Air® X-4 is recommended for the standard air needs of most aquariums up to 55 gallons. The Silent Air® X-4 comes with dual outlet connections so you can add multiple lines to divert air to where you need it, and the attractive translucent blue casing matches well with any aquarium decor. The compact style fits comfortably almost anywhere, and the 30" cord allows for easy placement. Silent Air® pumps can be run continuously without maintanance and come with a 5-year Limited Manufacturer Warranty. Silent Air® X-4 is 5" long x 3-1/4" wide x 2" high and is powered using a standard 110V outlet. | | | Features: | |
• Quiet and reliable performance including two outlets to supply all your air needs.
• Recommended for standard aquariums up to 55 gallons.
• Attractive & compact design fits almost anywhere.
• Standard 110V 60Hz with 30" electrical cord for easy placement.
• 5-Year Limited Manufacturer Warranty.
| | | Product Details: | | | Package Length:
| 5.9 inches | | Package Width:
| 4.8 inches | | Package Height:
| 2.4 inches | | Package Weight:
| 1.0 pounds | | Average Customer Rating:
|  based on 8 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 8 customer reviews )
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Most Helpful Customer Reviews
7 of 7 found the following review helpful:
Very quiet pump, awesome airflow, just a little less than I was expecting.Feb 16, 2008
By Danielle R. Favreau
"Renaissance Woman"
I use this air pump on a 112 gallon tank with Koi and Plecos, it provides enough air for a 5" air disc and a 12" long air-stone and after running for many months non-stop it's still pumping out a great amount of air, I was just expecting it to pump a little more than it does. However, that isn't stopping me from purchasing a second one for one of my other aquariums that has a noisy air pump, and a second for my large aquarium. I would definitely recommend these pumps, you'll barely know it's there. They do work best when placed above water level though so keep that in mind.
UPDATE 08-11-10
I bought two of these pumps and they have been running non-stop for over 2 years without fail. I would buy more of these in a heartbeat.
2 of 2 found the following review helpful:
Silent no Quiet yesOct 24, 2011
By Stephen
It works but it isn't silent. The sound it makes is a vibration rumble. It is the quietest air pump I've encountered. If the noise still bothers you run the air hose from a closet. If it still bothers you get some aquarium plants. I've never had a problem with them making too much noise.
2 of 2 found the following review helpful:
A good pumpDec 28, 2009
By Crystal M. Evans
"C Evans"
I have had this pump running for about a year and find myself quite satisfied. The pump pumps air through an almost 48inch bubble wall hose and the other hook up currently just off gases as we don't need it at this time. Over all the pump is fairly quiet as long as it is balance properly. If the pump becomes unbalanced or leans against something it becomes quite loud as it vibrates quite a bit.
1 of 1 found the following review helpful:
 Very quietOct 05, 2005
By Chloe A. Young
"He's not a TAME Lion' - CS Lewis"
I am pleased with the quietness of the pump, I bought it for a 2nd backup for my primary pump, but instead am using it for the primary, and keeping the old one for "backup".
great air pump for the priceOct 30, 2011
By Kevin L. Jones
I use the pump to run an 18" long air stone and a 6" round air stone. Pump is very strong and I run it on the low setting. On the high setting it does get a little louder but I just dont need that much air. Over all I would recommed this pump.
See all 8 customer reviews on Amazon.com
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