Home / Test Instruments / Air Flow / Ventilation Instruments / Differential Pressure Differential Pressure Sort: Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 2 Products Sort Testo 420 - Differential Pressure Measuring Instrument Testo 420 - Differential pressure measuring £679.15 £814.98 (inc. VAT) £958.80 Testo 420 - Differential Pressure Measuring Instrument Testo 420 - Differential pressure measuring £679.15 £814.98 (inc. VAT) £958.80 View Product Testo 510 Differential Pressure Meter £123.75 £148.50 (inc. VAT) £174.00 Testo 510 Differential Pressure Meter £123.75 £148.50 (inc. VAT) £174.00 View Product