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Generation 4 no-spill quick disconnect couplings which push to connect with a negligible amount of coolant freed. The QD2 series includes couplings for 6mm (1/4 inch) ID tubing.

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QD2 Male Quick Disconnect No-Spill Coupling, Male Threaded, 1/4 NPT
Koolance patented quick disconnect no-spill coupling with automatic shutoff. 1/4 NPT (tapered) male fitting for screwing directly into a component of the same threading. It will only fit a Koolance QD2 female quick disconnect. After pulling t ...
$11.49
QD2 Female Quick Disconnect No-Spill Coupling, Male Threaded, 1/4 NPT
Koolance patented quick disconnect no-spill coupling with automatic shutoff. 1/4 NPT (tapered) thread for screwing directly into a component of the same threading. It will only fit a Koolance QD2 male quick disconnect. After pulling the ring ...
$12.49
QD2 Male Quick Disconnect No-Spill Coupling, Male Threaded G 1/4 BSPP
Koolance patented quick disconnect no-spill coupling with automatic shutoff. G 1/4 BSPP (parallel) thread male fitting for screwing directly into a water block or other component. It will only fit a Koolance QD2 female quick disconnect. After ...
$11.49
QD2 Female Quick Disconnect No-Spill Coupling, Male Threaded G 1/4 BSPP
Koolance patented quick disconnect no-spill coupling with automatic shutoff. G 1/4 BSPP (parallel) thread male fitting for screwing directly into a water block or other component. It will only fit a Koolance QD2 male quick disconnect. After p ...
$12.49