The hose adapter is specially suitable for Halkey-Roberts valves. Use this replaceable product to optimize your pumps.
Features:Not brittle but tough plastic.
Replaceable and useful.
For Halkey-Roberts valve to pump.
Optimize your pumps.
Specifications:Material: Plastic
Size: 5 * 2cm / 2.0 * 0.8in
Package weight: 14g / 0.5oz?
Package List:1 * Hose Adaptor
2 * Seal
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