5pcs /Pack Replacement Filter For Pet Water Fountain Water Dispenser Pre-Filter, Round

1. Multi-Model Compatibility – Fits various pet water fountain models (compatible models shown in product images). Confirm compatibility with your device before purchase.
2. 4-Stage Filtration System – High-density microporous filter cotton-ion exchange resin-coconut shell activated carbon-high-density microporous filter cotton. Effectively removes impurities, odors, and heavy metals.
3. Optimal Replacement Frequency – Replace every 2-4 weeks to maintain peak filtration performance and water freshness.
4. Pre-Use Instructions – Rinse new filter under water and soak for 10 minutes before initial installation to activate materials and remove residues.
5. Dimensions – Outer diameter: 12.7cm; center hole diameter: 3.8cm.