[This review was collected as part of a promotion.] I realize that winterizing is an important when it comes to pressure washers, and was really hoping that this would be as easy of a task as Karcher's instructions would indicate: 1) Attach hose securely. 2) Depress button to dispense fluid. 3). Release button when fluid exits water outlet. Unfortunately, I had a terrible time with this product. Here's why: First, when I was connecting the spray tube to my pressure washer, the gray plastic piece became disconnected from the hose and wouldn't go back on. I was finally able to get it reconnected, but only in a way that made the connection less secure than it should have been. Second, nowhere in the instructions for this product does it mention that you should only use it outdoors. It's December and below 30 degrees here and I've got everything stored in my heated garage; I figured I'd use the product there. Well, it takes only a moment for the product to exit the water outlet. And when it exits, it does so with enough force to send it about 20 feet away. Across the garage, onto my stuff, and leaving a stain on my garage floor. What a mess. Karcher makes awesome pressure washers, but Karcher Punp Guard is garbage.

[This review was collected as part of a promotion.] Cleaning solution sometimes built-up in the tube and that is when the pump guard can comes in to do the clean up job. It helps everything running smoothly for a very long time at a very affordable price. It's so easy to use. I like this a lot. Please don't ever discontinue it.

[This review was collected as part of a promotion.] It's a great attachment for my pressure washer . Fits perfectly and works great ! Good pressure and since it's wide covers a wider area of cleaning unlike the regular ones that has one stream . The attachment itself is light weight and portable ! Can't wait to use it once the weather becomes better !

[This review was collected as part of a promotion.] I used the Kärcher Pump Guard Can to protect my pressure washer and the product worked as expected. The liquid has a clean consistency and leaves no residue inside the pump. It flows well through the system and helps prevent corrosion during storage. The scent is mild and not irritating. The bottle is easy to handle and the built-in applicator makes the process simple. It is a good option if you want to keep your pressure washer in good condition for long periods.

[This review was collected as part of a promotion.] Loving this pump guard for the Karcher pressure washer. We use our pressure washer weekly around the house and to wash our cars, so this is great for keeping everything lubricated and working properly. It's super easy to use and comes in a great little bottle which is eat to store.

[This review was collected as part of a promotion.] The booster in power is noticeable right away. The spray is stronger and more focused than the standard nozzle. So tough dirt comes off faster and big areas take less time to clean. It snaps onto any electric pressure washer with 1/4” quick connect and up to 3000 psi. The setup is effortless.

[This review was collected as part of a promotion.] Love that the ingredients are biodegradable. Running this through our pressure washer helps maintain the quality performance by lubricating the interior. It's easy even for someone with hand pain to hook up and run through. The bottle is sealed well and doesn't leak even if on its side so storing it is simple.

[This review was collected as part of a promotion.] I am extremely impressed with this water booster nozzle. The difference in water pressure is noticeable immediately. It delivers a strong and steady stream that makes washing my car, cleaning the driveway and watering plants much faster.

[This review was collected as part of a promotion.] The Kärcher Pump Guard US is easy to use and provides reliable protection for pressure washer pumps during storage. It helps prevent corrosion and freezing, which keeps the equipment running smoothly. Overall, it's a simple, effective product that offers great peace of mind.

[This review was collected as part of a promotion.] This is great for spot cleaning smaller stains, or big stains on smaller areas. I attached this to my pressure washer to clean some stains on my driveway, it took just a few minutes. It easily attaches.