| Customer Reviews | 4.4 out of 5 stars 1,075 | 4.2 out of 5 stars 97 | 4.3 out of 5 stars 13 | 4.0 out of 5 stars 127 | 4.2 out of 5 stars 486 | 5.0 out of 5 stars 1 |
| Price | $39.99$39.99 | $27.99$27.99 | $49.99$49.99 | $49.99$49.99 | $19.98$19.98 | — |
| Capacity | 7L/1.8Gal | 3.2L/108oz | 3.2L/108oz | 3.5L/118oz | 2.2L/74oz | 7L/1.8Gal |
| Days of Water Supply | 9 Days | 13 Days | 13 Days | 120 Days | 9-14 Days | 9 Days |
| Material | 304 Food-Grade Stainless Steel | ABS+Stainless Steel | 304 Stainless Steel | ABS+304 Stainless Steel | ABS Plastic | 304 Food-Grade Stainless Steel |
| Filters | +3 Replaceable Filters | 1 Filters | 1 Filters | NO Filter (Always Fresh Water) | 1 Set Filters | +3 Replaceable Filters +1 Pump |
| Filter System | 5-layer Filtration | 5-layer Filtration | 5-layer Filtration | Filterless (No Ongoing Cost) | 5-layer Filtration | 5-layer Filtration |
| Quiet Design | <25dB | <20dB | <20dB | <30dB | <20dB | <25dB |
| Ideal For | Multi-Pet Households | 1-2 Cats | 1-2 Cats | 1-2 Cats | 1 Cat | Multi-Pet Households |
| Power/Safety | Auto Shut-Off | Auto Shut-Off | Auto Shut-Off | Auto Shut-Off | Auto Shut-Off | Auto Shut-Off |
| Pet-Friendly Focus | Flowing Faucet | Deepened Tray | Deepened Tray | Separate Clean & Dirty Water | Deepened Tray | Flowing Faucet |
| Suitable Quiet Design | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Cordless/Cord | Cord | Cordless | Cordless | Cordless/Cord | Cordless | Cord |