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Description
“0.5 GPM CACHE M21.5 X 1 PRESSURE COMPENS”
Aerator and Key for Commercial Faucets
**DUE TO THE COMMERCIAL NATURE OF THIS PRODUCT, Please allow 1-2 weeks EXTRA Lead Time to Secure product from Head Office and Ship**
- Flow Rate: Ultra-low flow 0.5 GPM (Gallons Per Minute), WaterSense certified
- Size/Thread: Junior size M21.5 x 1 male threads
- Design: Hidden/recessed (“Caché”) style that threads directly into the faucet spout without a visible outer housing, making it vandal-resistant
- Pressure Compensation: Maintains a steady 0.5 GPM flow rate across varying water pressures (typically 20 to 80 PSI)
- Common Application: Frequently used in commercial or selectronic gooseneck bathroom sink faucets (such as American Standard Selectronic lines). Note that installation and removal require a specialized Caché aerator key.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 3 × 3 × 3 in |





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