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What is a penis pump and what does it do?
Whether you call it a penis pump, a cock pump or a dick pump, the job is the same: it’s a device that fits over the penis and uses gentle suction to draw blood into the tissue, which produces a firmer, fuller erection. It improves the quality of an erection on demand, and with a regular routine, it also supports longer-term gains in size, hardness and stamina. Most pumps create that suction with air, but our range of hydro penis pumps uses warm water instead, which makes the pressure gentler and more even. If you are completely new to them, this guide explains what a penis pump actually is.
What are the types of penis pumps?
There are a few ways to group penis pumps, and the differences make the right choice clearer. By pressure, there are air pumps and water pumps. An air, or vacuum, pump pulls with air, while a water penis pump, like Bathmate, uses warm water for a more even, comfortable pull. That difference is set out in full in our blog post on hydropump versus a traditional vacuum pump.
By control, there are standard pumps you operate directly and hand-pump-assisted pumps. The HydroXtreme includes a removable handheld pump, so you can fine-tune the pressure by hand for maximum control within the range. And by set-up, you can buy a pump on its own or as a complete kit with the accessories to keep it in condition.
Why choose a water penis pump?
So why water rather than air? Comfort, and consistency. Warm water spreads the pressure evenly around the whole surface instead of concentrating it, which is gentler on the tissue and easier to keep up. Because you use it in the bath or shower, it slots into a routine you already have, with no awkward extra step. A pump you find comfortable is a pump you actually use, and consistency is what drives results.
- Even, controlled pressure rather than the harsher pull of air
- A shower penis pump routine of about 15 minutes that fits your day
- A discreet, drug-free way to support erection quality
- Comfortable enough to stick with, which is the whole point
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Which penis pump is right for me?
Every Bathmate pump is powered by the same hydro technology and made from the same body-safe materials. As you move up the range you gain more power, comfort and control, so the right choice comes down to your experience and your goals. Beginners tend to start with the Hydro7. Most men choose the Hydromax for the extra power and size options.
The HydroXtreme is for those who want maximum control from the included hand pump. You can compare Bathmate's penis pumps in full, or use the quick view below.
Fitment
1 Size (7")
Fitment
7 Sizes (from 3" to 9")
Fitment
6 Sizes (from 5" to 9")
Power
Mid
Power
High
Power
Max
Pressure Control
High
Pressure Control
High
Pressure Control
Max (via included hand pump)
Set Up Time
Quick & Easy
Set Up Time
Quick & Easy
Set Up Time
Quick & Easy
Comfort
Very Good (includes cushion pad)
Comfort
Excellent (includes cushion insert)
Comfort
Excellent (includes cushion insert)
Safety Rating
FDA Registered, ISO approved, Class II Medical Device
Safety Rating
FDA Registered, ISO approved, Class II Medical Device
Safety Rating
FDA Registered, ISO approved, Class II Medical Device
Customer Rating
4.7 ⭐⭐⭐⭐⭐
Customer Rating
4.7 ⭐⭐⭐⭐⭐
Customer Rating
4.8 ⭐⭐⭐⭐⭐
What size penis pump do I need?
The right fit is what makes the pressure both comfortable and effective, so sizing matters more than most men expect. Bathmate sizing is based on your erect length. The Hydromax range covers seven sizes from 3 to 9 inches, the HydroXtreme covers six from 5 to 9 inches, and the Hydro7 is a single 7 inch fit that suits most first-time users. If you are between sizes or unsure, our size guide walks you through measuring and choosing, and there is more detail in our guide to penis pump sizes.
How Bathmate pumps work
A hydro penis pump works by turning your normal shower into a short training session. You fill the pump with warm water, place it, and pump to create a gentle vacuum. That vacuum draws blood into the erectile tissue, and over a consistent routine, your body responds with firmer, fuller erections. The routine is simple:
- Fill the penis pump with warm water
- Form a comfortable seal
- Pump gently and hold for up to 3 minutes
- Release and repeat for up to 15 minutes.
For the full method, see how Bathmate works or the step-by-step how to use a penis pump guide.
What are the benefits of penis pumping?
Regular pumping works on four things at once. None of it relies on pills or surgery.
- Boosted blood flow. The vacuum draws blood into the erectile tissue, which gives firmer, harder erections straight after a session.
- Tissue conditioning. Consistent, even pressure gently works the tissue over time, in the way training conditions a muscle, which supports gains in girth and length.
- Stronger erections. Better circulation improves the responsiveness of the tissue, so erections become easier to achieve and hold.
- More confidence. Steady, trackable progress does as much for how you feel as for how you look. Read 5 reasons to start using a penis pump for the wider picture.
Do penis pumps really work?
Yes, when they are used properly and consistently. A penis pump reliably produces a firmer, fuller erection straight after use, because it draws blood into the tissue. Most men notice a temporary boost in size and firmness from the very first session, which is why some use a pump shortly before sex.
Longer-term change in size or firmness is a different question, and it depends on a regular routine over weeks and months rather than a single session. Many men report visible changes in girth and length after consistent use over a couple of months, though individual results vary with your body and how regularly you pump. You can see genuine Bathmate results for more information. Every penis pump is backed by a 60-day money-back guarantee, so you can judge the results for yourself.
Where to buy a Bathmate penis pump, and how is it delivered?
You can buy directly from us online, and every Bathmate order ships with free worldwide delivery, dispatched the next business day, and arrives in plain, discreet packaging with discreet billing, so your privacy is covered from checkout to doorstep. If a pump is not right for you, the 60-day money-back guarantee means you can send it back, no questions asked, and every pump carries a 2-year warranty as standard. If you have any more questions, get in touch before you buy.
Penis pump FAQs
Does a penis pump work for size, or just for erections?
It does both, in different ways. The effect on erection firmness is immediate and reliable. Change in size is gradual and depends on using the pump consistently over time. It is training, not a one-off fix.
Does pumping permanently increase girth or length?
Consistent use over months is what supports lasting change, and results vary from person to person. Be wary of anything promising a fixed, permanent gain from occasional use. A steady routine is what makes the difference, and even pressure is why a water-based pump is easier to keep up.
How long do you stay hard after using a pump?
The immediate firmness from a session is temporary and settles over time. The point of a regular routine is the long-term improvement in erection quality, not just the minutes straight after pumping.
Is a penis pump better than Viagra?
They work in completely different ways. Medication acts on blood flow chemically, a pump does it mechanically and drug-free. Many men prefer a pump because there is nothing to take and no prescription. The two can also suit different situations, which we compare in Viagra or a hydropump.
Can a penis pump help with erectile dysfunction?
Penis pumps are a common, drug-free way to help men achieve and maintain an erection, and they are often used for erectile dysfunction, including as part of recovery after prostate surgery. A Bathmate works on the same principle, drawing blood into the tissue to support a firmer erection. It is not a replacement for medical advice, so anyone dealing with ongoing ED should also speak to a doctor. We cover how a penis pump supports erection recovery in more detail on the blog.
Are penis pumps safe, and what are the side effects?
Used as directed, a Bathmate is designed to be safe, and every model is an FDA registered Class II medical device with built-in pressure release. Be sure not to over-pump or force pressure as this can cause temporary marks or discomfort. Pump gently to build pressure and hold for up to three minutes, release, and repeat, keeping the whole session under 15 minutes and no more than five times a week. Build the pressure gradually rather than forcing it. Bathmate pumps include pressure-release valves and cushioned seals for exactly this reason.
Read more on using a penis pump safely and on avoiding penis pump injuries. Anyone on blood thinners or with a diagnosed condition should speak to a doctor first, and our penis pump side effects page covers what to watch for.
How often should I use a penis pump?asked question
A simple routine of three five-minute sessions, up to 15 minutes total, is the standard. Regular use drives the best long-term results, and lighter maintenance keeps them once you are there.
Upgrade your routine with a complete Bathmate kit
If you want everything in one go, the kits pair a pump with the accessories that keep it in top condition. Choose from one of the kits below or you can also add individual pump accessories to any pump.
