Tuning Older Daystate huntsman 2 air gauge

Custom T fitting that has a Male end with shoulder sealed by a DOWDY washer, Other end female threaded for a Gauge and T / side a female for a Foster fitting.



Similar to this I recently made up for a No Gauge PCP ...

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In case anyone comes here later, I found at least one supplier, though they seem to be out of stock and I have no idea if they'll be making any more:



https://hw100tuning.co.uk/shop/ols/products/quickfill-daystate-huntsman



I've sent an email but they are closed for three weeks, so I imagine it'll be a while before I get an answer on if they'll be producing any.