This vacuum pump from Koge Electronics draws 100-250mA at 4.8V and is rated for >2.6L/minimum output and -460mbar of pressure. Measures 2-9/16" x 1-3/16" x 1-5/16" with a 3/16" OD x 3/8" inlet barb and a 3/16" OD x 1/2" tall outlet barb, plus (4) 1/8” ID mounting wings. Power terminals are exposed and you may get short leads. Koge model #KPV276.

Great little 12VDC oil-less diaphragm style air pump. For you techies out there it draws 40-300mA, 2.0 Litres/min, 350mm Hg max pressure. These are takeouts and in great condition but the leads on yours may vary in length or even be clipped off (Just solder to the connection points like the leads were.) Outlet port is 5/32". Overall size 2-3/4" x 1-1/16".

Nifty device that takes maxi air and squeezes it down into a mini condition. The device is roughly 6-1/2"" long x 6" tall x 4" wide. It has a 10 ft. cord that plugs into an auto lighter socket: i.e. it runs on 12VDC @ 10 amps. Air output is via a 12" hose with a variety of valve adapters for tires, soccer balls, rubber rafts and the like. Complete with a 0-250 psi gauge. Which should be plenty of pressure to explode a weak bike tire or flimsy beach ball, so please be careful!

Here are the ins and outs of submersible pumps for your DIY fountain.These small electric pumps run on 24 VAC (For low energy consumption.) from the included wall outlet adapter, are rated for continuous duty, have (3) suction-cup feet, an adjustable flow control and both a straight and 90° 5/16" tubing adapter. This little pump is roughly 2-5/8" x 1.5" x 2-1/4", has a 6-ft power cord with an in-line switch, and pumps 70 gal/hr @ 1 ft lift. Plug it in and go with the flow. Indoor use only.

From ET Tech, this series 23 liquid micro-pump draws less than 300mA at 4-6VDC (5VDC nominal) with a liter-per-minute flow rate and up to a 3-foot lift. Not submersible, but suitable for hot-water apps and continuous duty. Measures 1" x 1" dia with a barbed 1/4" right-angle outlet and a 3/8" OD inlet on top. Great for fountains!

This 20 GPM (gallons per minute) submersible fluid pump will shoot fluid approx (15) feet upward. Comes with (4) rubber feet and It includes a brass barbed hose connector for 8mm hoses etc. Unit measures 7" x 5-1/4" x 4" with a 3” handle and a 15-goot power cord. It has a lifting handle on the top and a removable filter space for cleaning. It does not include a filter. Pump must be submerged at least 13”. Rated for 120 volts at 105 watts.

Jarvis Says: Catalog mistakenly mentions tubing is included. Tubing is not included. Do not run pump dry.

Got an aquarium? This oil-free Hailea 115V air pump is strong enough to keep air flowing into your large or multiple aquariums, and its linear piston design ensures long life. It’s low-noise (<60dB) and low-vibration, because fishes (and you) don’t go for those things. Draws 160W of power and puts out a continuous 5 cfm of free-flow air pressure (that’s 145 liters a minute) at 5 psi. Has an inlet port with a 0.571 OD barb for 13mm tubing, and a 0.466 OD barb for 10mm tubing; and an outlet port for M12 x 1.5 metric pipe. Unit measures approx 11-1/4” x 6-1/2” x 5” with finned aluminum housing and rubber-cushion feet. Weighs 13 lbs.

From Koge Micro Pump Co. (company motto: Let’s PUMP the World!), this nice little diaphragm air pump draws approx 400mA at 12VDC and will put out 3 liters a minute with a minimum pressure of 400mm/Hg. Measures 2-3/4” long x 1-1/4” square with 1/4” long x 5/32” dia inlet, and outlet barbs. Part #KPM32E.