Amazon has InterDynamics EZ Chill Reusable AC Recharge Kit on sale for $9.44 . Shipping is free with Prime or on order $25+
- Reusable R-134a gauge & hose
- Easy-to-use thumb lever dispenser
- Gauge displays pressure reading for accurate fill
- 90 degree coupler for ports in tight positions
- Compatible with both sealed and self-sealing R-134a cans.
Amazon offers free shipping with $25+ orders or get free 1 day shipping on all orders with a free trial of Amazon Prime. A prime trial is also free with Amazon Family (which also gets you up to 20% off diapers among other benefits) or Amazon Student. EBT/Medicaid Cardholders can save on Prime Membership here.