R410a Self-Sealing Refrigerant, R-410a Stop Leak, R410 System Sealer Recharge

R410a Self-Sealing Refrigerant, R-410a Stop Leak, R410 System Sealer Recharge We are a Certified UPS Hazardous Material Shipper.  This kit is especially designed for the Professional HVAC & R Technician.  *Includes DETAILED charging and testing instructions and includes the "System Sealer", Leak Stop,  mixed in with the refrigerant. This kit includes Refrigerant R410a & system sealer.  This kit is for recharging or topping off a Refrigerant R-410a System and adding Leak Stop to the system at the "SAME TIME"!!  Refrigerant R410a is used on almost all "NEW" A/C Units and almost all of the new "mini-split"  A/C systems.  As R-22 is being phased out, R-410a is now the refrigerant found on all "NEW" A/C Systems.  This recharge kit includes;  (1) 28 oz. Can of R-410a with a 1/4" male flare fitting on top with internal valve core and brass cap as pictured.  (1) Reusable , Quick Connect (screw-on), Top Mount Can Taper with color coded charging gauge for R410a systems. Th