New Old Stock KYTOLA Instruments differential pressure manometer meter P/n: DPA-300P Sec/ref: n/a NSN: n/a Qty: 1 Fastener dia: n/a Fastener length: n/a In un-issued condition, a few marks from storage. Boxed Inclined scale range: 0-300Pa Vertical scale range: 300-500Pa UK MoD Surplus
eBay