R410A, 1/4" thread, key. Precision machined from high grade brass & covered by shielding aluminum shroud, & special tools are needed to apply/remove Novent caps. All caps are embossed & color-coded. Proper installation helps stop accidental refrigerant mixing in A/C systems.
- Resists crushing & removal without key
- Corrosion resistant anodized aluminum
- Integral neoprene O-ring resists oils & sealants
- Torque limiter prevents overtightening
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