WaterChef® Whole House Pre-Filter Cartridges
Protect Your Whole House Filtration System
The WaterChef PR1 Whole House Pre-Filter Cartridge filters out dirt, sand and sediment particles, preventing them from entering and clogging your main whole house water filtration system catridge.
PR1 Cartridge should be replaced every 3-6 months or when you notice a significant decrease in flow rate. Actual cartridge life depends on water quality and sediment levels.
The WaterChef PR1 Pre-Filter Cartridge has a particle retention size of 1 micron and is compatible with most standard 20" sediment pre-filter housings.
PR1 CARTRIDGE
Based on testing data with typical water contitions. Actual performance may vary.
FEATURES
Discover the Difference
- Pre-filtration Protects Your Main Whole House Filtration System Cartridge
- Traps Dirt and Sediment Particles
- 3-6 Month Capacity Depending on Sediment Levels
- BPA Free
- Easy Filter Cartridge Replacements
- Additional 15% OFF with Auto-Ship! (contiguous U.S.)
- FREE SHIPPING & RETURNS! (contiguous U.S.)
- 5-Star Customer Care! (We stand behind our products AND our customers!)
SPECIFICATIONS
Because the Details Matter

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WaterChef® PR1
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Whole House Pre-Filter
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WaterChef® PFWH Whole House
Pre-Filter System -
20" L x 4.5" D
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1 Micron
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Replace every 3-6 months depending on sediment levels
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90 psig
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39º F - 113º F (4º C - 45º C)
PR1 REVIEWS
What Our Customers Are Saying
FAQS
Have an Additional Question? Just Ask Us. 
The PR1 Pre-Filter Cartridge should be replaced every 3-6 months or when you notice a significant decrease in flow rate. Actual cartridge life depends on water quality and sediment levels.
NO. Beneficial minerals (such as calcium and magnesium) pass freely through the filter, leaving you with water that is both great tasting and naturally balanced.
NO. TDS is a poor measure of water quality. TDS in drinking water is usually attributed to the amount of calcium, potassium, and magnesium that is present in your water supply. These are beneficial minerals that are known to support good health. WaterChef systems have been specifically designed to reduce unwanted contaminants while leaving these beneficial minerals in.