Probe shaft 28′ 5/16″ diameter sintered filter t max= 1832°F$895.00 For New Testo 350 and Testo 340 – Probe shaft 28′ 5/16″ diameter sintered filter t max= 1832°F Call us for a quote Product Model: 0554 8767 Probe shaft 28' 5/16" diameter sintered filter t max= 1832°F quantity Add to cart SKU: 0554 8767 Category: Testo Sensors Parts & Accessories Tag: Testo Sensors Parts & Accessories Related products SO2 replacement sensor (0-5000 ppm 1 ppm resolution)0 out of 5 $525.00 Add to cart NO2 replacement sensor (0-520 ppm)0 out of 5 $1,044.00 Add to cart Self service replacement O2 sensor – 325-1 & 325-2 only0 out of 5 $131.00 Add to cart