TSI Supercool 27262-12CP HFO-1234yf PAG 46 Lubricant - 8 oz, 12 Pack is ideal for all types of air conditioning systems. Supercool PAG is formulated to be extremely stable in high temperature compressors. It has less tendency to absorb water than other refrigeration lubricants and has superior lubricity and miscibility to lubricate and protect compressors better. Supercool customers receive industry's leading technology in all fluids with lubricants and UV dye's formulated to meet or exceed OEM performance specifications. In addition, all lubricants are top-off compatible with their corresponding OEM and aftermarket equivalents. Designed for real-world operating conditions, they provide an unsurpassed level of service, performance, protection, and fluid life.