Use code PET26 for free shippingFree delivery over £45Everything for cats, dogs, fish & birds, in one placeFast, tracked dispatch30-day easy returnsLoved by 20,000+ pet parents

Ultra-Quiet Air Pump

Under 40 dB, which is quieter than the room.

Under forty decibels is quieter than a normal conversation, which matters because an aquarium air pump runs continuously and most of them end up in a room somebody sleeps in.

£20.99

Taxes calculated at checkout

  • 220–240 V, 50 Hz, correct UK mains voltage
  • Under 40 dB with multi-stage damping
  • One, two or four outlets
  • Flow valve on each outlet
  • 7.2 litres a minute at 5 W

Size: Single outlet

1
Free shipping over £45
Free 30-day returns
Secure checkout

Why you'll love it

Made for happy, healthy pets

Noise is why air pumps get unplugged

A buzzing pump on a shelf gets switched off at bedtime and forgotten by morning. Under 40 dB with rubber feet is the difference between a pump that runs and one that sits in a drawer.

Valves mean one pump does several jobs

The four-outlet model can run two sponge filters, an air stone and an ornament at once, each dialled separately. Splitting one un-valved outlet just starves whichever line is furthest away.

Rated for the mains you actually have

We checked the electrical spec on every pump in this range and most were 110 V or unstated. This one is explicitly 220–240 V at 50 Hz, which is what a UK socket delivers.

Good fit if

  • Bedrooms and living rooms, where noise is the deciding factor
  • Driving sponge filters, which need air rather than a motor
  • Running several tanks from one pump via multiple outlets
  • Heavily stocked tanks needing extra surface agitation

Look elsewhere if

  • You want something that runs in a power cut
  • Your filter already agitates the surface adequately
  • You need very high pressure for a deep tank

What an air pump is actually doing

Oxygen enters water at the surface, where it meets air. Bubbles rising through the water column exchange very little gas on the way up; what they do is disturb the surface when they break, and that agitation is where the exchange actually happens. So a pump is oxygenating the tank indirectly.

It also drives air-powered sponge filters, which need nothing but rising bubbles to pull water through a sponge. That makes them the right filtration for fry, shrimp and betta tanks, where an impeller would injure small animals and the current from a powered filter is more than the fish want.

Where the noise comes from

Most air pump noise is not the pump; it is vibration transmitted into whatever it is standing on. A pump on a glass cabinet or a hollow shelf turns that surface into a soundboard, and the same unit on a folded towel is often barely audible. Multi-stage internal damping addresses the rest.

A rattle that has developed over time usually means the diaphragm is tiring or the unit has worked itself against a wall. Check the standing surface first before assuming the pump is failing, since it is the cheapest thing to fix and it is the cause more often than not.

Outlets and flow control

Choose the outlet count on how many air-driven devices you have rather than on tank size. One outlet suits a single sponge filter or air stone; two covers a filter and a decorative bubble bar; four is for running several tanks from one unit, which is common in a fish room.

Individual flow valves matter because they let you turn one line down without throttling the pump itself. Restricting the pump to reduce bubbles makes it work against back pressure, which shortens its life. Bleeding the excess off with a valve is the correct way to do it.

In the box

Everything you need

  • Air pump

How it works

Simple, from basket to doorstep

  1. 1

    Browse

    Shop by pet or category to find exactly what your cat or dog needs, no wading through thousands of listings.

  2. 2

    Order

    Check out securely with card, PayPal or one-tap Apple Pay & Google Pay. Free delivery over £45.

  3. 3

    Delivered

    Fast, tracked dispatch straight to your door, and a happier pet before you know it.

The details

Specifications

Voltage
220–240 V, 50 Hz
Power
5 W
Output
7.2 L/min
Noise
Under 40 dB
Pressure
Over 0.012 MPa
Size
165 × 100 × 75 mm

Size guide

VersionOutletsBest for
Single1One sponge filter or air stone in a single tank
Double2A filter plus a bubble bar, or two small tanks
Four4Several tanks, or a fry and quarantine setup

Choose on the number of air-driven devices, not on tank volume. Unused outlets should be capped or valved shut so pressure is not lost through them.

Good questions

Before you buy

The pump is rated 220–240 V at 50 Hz, which is correct for UK mains. We are confirming the fitted plug type with the supplier. If a two-pin European plug is supplied you will need a standard travel adapter, and we will say so on this page once confirmed.

One outlet per air-driven device. A single sponge filter needs one; a sponge filter plus an air stone needs two. Buy one size up if you expect to add a second tank.

Yes, and it is worth the pound it costs. If the pump sits below the water line and the power goes off, water siphons back down the airline into the pump without one.

It is specified at 220–240 V, 50 Hz, which is UK mains. Check the plug type on arrival and use a proper adapter rather than anything improvised if one is needed.

One per air-driven device. A single sponge filter needs one outlet; a filter and a bubble bar need two. Cap or valve off anything unused.

If the pump sits below the water line, yes. Without one, a power cut lets water siphon back down the airline into the pump and ruin it.

Last reviewed 30 August 2026

Advice

More on this