Testo 350XL CO2 Sensor filter material refill$230.00 Testo 350XL CO2 Sensor filter material refill p/n 0390 0369 Call us for a quote Product Model: 0390 0369 Testo 350XL CO2 Sensor filter material refill quantity Add to cart SKU: 0390 0369 Category: Testo Replacement Sensors & parts for Discontinued Combustion Products Tag: Testo Replacement Sensors & parts for Discontinued Combustion Products Description Description Testo 350XL CO2 Sensor filter material refill p/n 0390 0369 Related products Testo 350XL/335 CO replacement sensor (0-10000 ppm H2 compensated 0.1 ppm res.0 out of 5 $1,179.00 Add to cart Testo 350XL CO2 Replacement Sensor (0-50% Res.) NDIR0 out of 5 Read more Testo 350XL/335 CO low replacement sensor (0-500 ppm H2 compensated 0.1 ppm res.)0 out of 5 $1,074.00 Add to cart