I have no comparison but after about 10-12 liters of filtration of mostly flowing water the flow rate dropped to less than half that of a clean filter. It can be cleaned so it's not a big problem although I haven't tried it yet. Would buy again.
Segmented Beaded Kids Jump Rope For Exercise And Outdoor Activities - Durable And Shatterproof - Easily Adjustable And Light Weight Skipping Rope For Kids
48 Review
Foxelli Wading Boots: Lightweight, Rubber Sole Fly Fishing Shoes For Men - Grey
47 Review
Metal Frame Night Driving Glasses For Men: BIRCEN HD Anti-Glare Night Vision Glasses For Safe Driving
47 Review
6 Pcs Reflective Bands: High Visibility Running Gear For Women Men - Safety Straps Bracelets For Running, Cycling & Walking
46 Review