[DETAIL] Description Features: OOTDTY Experience seamless air conditioning maintenance with the adjustable air conditioning quick couplers, featuring a high and low pressure design that ensures compatibility with R134A refrigerants systems. Constructed from brass materials, these quick couplers offer corrosion resistance and a color coded redness for high pressure and blue for low pressure—for easy identification and error use. Suitable for automotive technicians and air conditioning engineers, the quick couplers are essential tool for professional requiring and efficient in air conditioning systems. Whether it's for automotive repair shops or home air conditioning maintenance, these adjustable quick couplers provide a secure connection, making perfect for a variety of air conditioning service applications. Enhances your toolkit's capabilities with these precisions air conditioning adapters, ensuring a leak seal and accurate pressure adjustments for air conditioning performances and diagnostics. A: QC17+AD30C*2+AD30B+AD01+CT342+VC05 B: QC17+CT342+AD01+VC05 [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: taotaocar - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: taotaocar - Origin: Mainland China - Item Type: Air-conditioning Installation - Material: Brass