SuperCool Slide Rule A2L - R32, R454B, R22 & R410A Charging & Duct Calculator - Air Conditioning and HVAC Troubleshooting, A/C Educational Products, & AC Charts - SuperHeat & SubCoolingSuperCool Slide Rule A2L$19.99PriceQuantity*Add to CartPRODUCT INFOSuperCool Slide Rule A2L - R32, R454B, R22 & R410A Charging & Duct Calculator - Air Conditioning and HVAC Troubleshooting, A/C Educational Products, & AC Charts - SuperHeat & SubCooling RETURN & REFUND POLICYMust be returned undamaged within 30 days of delivery to be eligible for a refund. SHIPPING INFOUSPS First-Class Mail
