B-B-Sensors-Sintered-Polyethylene-Filters-for-Humidity-Probes-B-B-Sensors-CON-SIFI-HYANA-p-A-sintered-polyethylene-filter-for-use-with-humidity-probes-that-will-protect-against-dust-deposits-&-contamination-The-filter-is-hydrophobic-&-water-resistant-&-is-also-suitable-for-use-with-other-gas-sensors-p-B-B-Sensors-CON-SIFI-HYANA-Polyethlene-Sinter-Cap-for-Humidity-probes