So if you already have one of those, then simply fit one of our Quick Coupler Plugs to each of your other fill probes to enjoy swift interchange of fill connectors. Add more fill probes to your BEST Fittings Starter Kit, BEST Fittings QC02 Quick Coupler Socketor compatible Foster 12FS, 12FSS and 12MS Straight Thru Quick Snap Couplers.
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