Pressure Washer Water Filter for Kärcher K2–K7 (2/5 Pack)
Keep Your Pressure Washer Running Clean
Protect your Kärcher pressure washer and extend its life with these high-pressure inline water filters. Designed as a direct-fit connection for the popular Kärcher K2, K3, K4, K5, K6, and K7 series, these transparent plastic filters catch sediment, debris, and particulates before they reach your machine's pump — helping maintain consistent water flow and protecting internal components from wear.
Whether you're washing your car, driveway, patio, or outdoor furniture, clean inlet water means better performance and fewer maintenance headaches. The clear body lets you inspect filter condition at a glance, so you always know when it's time for a clean or replacement.
Key Features
- Compatible with Kärcher K Series: Fits K2, K3, K4, K5, K6, and K7 pressure washer models
- High-Pressure Rated: Supports up to 175 PSI — built for demanding wash tasks
- Heat Tolerant: Rated up to 140°C maximum temperature
- Transparent Design: Clear body for easy visual inspection of filter condition
- Durable Plastic Construction: Lightweight yet sturdy for lasting use
- Compact Size: 6.4 cm height — fits neatly into your existing hose connection
- Value Pack: Available as a 2-pack or 5-pack to keep spares on hand
Specifications
| Material | Plastic (Transparent) |
| Height | 6.4 cm |
| Max Pressure | 175 PSI |
| Max Temperature | 140°C |
| Compatibility | Kärcher K2, K3, K4, K5, K6, K7 Series |
| Pack Size | 2 or 5 pieces |
| Country of Origin | Made in China |
What's in the Box?
- 2 or 5 x High-Pressure Water Filter (as selected)
Please Note: Manual measurements may vary by ±0.1–0.5 cm. Please verify compatibility with your specific Kärcher model before purchasing.
For more information on pressure washer safety and car washing best practices, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on safe use of high-pressure equipment.
Learn more: Auto detailing
Frequently Asked Questions
Q: Which Kärcher pressure washer models are these water filters compatible with?
A: These inline water filters are designed to fit the Kärcher K Series, specifically K2, K3, K4, K5, K6, and K7 pressure washer models. They connect directly to the machine's water inlet for a secure, high-pressure fit.
Q: What is the maximum pressure these filters can handle?
A: These filters are rated for a maximum pressure of 175 PSI and a maximum temperature of 140°C, making them suitable for the demanding operating conditions of Kärcher K-series pressure washers.
Q: Why should I use an inline water filter on my pressure washer?
A: An inline water filter traps sediment, grit, and debris from your water supply before it enters the pump. This helps protect the pump's internal components, maintains optimal water flow, and can extend the overall lifespan of your pressure washer.
Q: Is the 2-pack or 5-pack a better value?
A: The 5-pack offers the best value for those who wash frequently or want to keep replacement filters readily available. The 2-pack is ideal for lighter use or as a starter set. Either way, having a spare on hand means no downtime when it's time to swap filters.