AC PRO Refrigerant 20oz with gauge at target for $11.98 + tax. Lowest price seems to be at least $35 everywhere. I just got one myself tonight.
https://www.target.com/p/ac-pro-r…nk=sametab
ac pro rebate for 10 off.
http://acprocold.com/offers/
direct link to rebate:
http://acprocold.com/wp-content/u…Rebate.png