FilterSense Model DP 20T and SP 20T pressure transmitters have a non-clogging design for mounting on the dirty side of a fabric filter bag house or cartridge-style dust collector. The transmitters feature a large, flush ceramic diaphragm that resists clogging and is abrasion resistant. Both models are available in various sizes including 0- to 10-in. WC, 0- to 20-in. WC and bidirectional -5- to 5-in. WC, with stainless steel construction.