Your search for "instruments" revealed the following:
V-837-Q: Pop-A-Plug® CPI/Perma Heat Exchanger & Condenser Tube Plugging System
S$0.00
Vendor: APSS Store
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Maxseal ICO3 24Vdc direct acting 3/2 NC stainless steel 1/4" NPT ported valve
S$662.50
Vendor: APSS Store
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