When your filters and sensors need replacement, trust ERIF Sales Company, Inc. to provide genuine RKI filters and sensors for both portable and fixed gas monitors. Our replacement filters and sensors are designed to restore your device’s accuracy and extend its lifespan.
GX-2012
| Part Number | Description |
 ES-1821 | CO Sensor ES-1821 |
| ES-1827i | H2S Sensor |
 OS-BM2 | O2 Sensor |
 TE-7561 | VOL Sensor TE-7561 |
 SH-8641 | PPM Sensor SH-8641, Gas Tracer |
GX-3R & GX-3R Pro
| Part Number | Description |
| 33-7130 | Scrubber disk filter for H2S/CO sensor 5-pack |
| 33-7131 | Scrubber disk filter for LEL sensor, 5-pack |
 33-7132 | Scrubber disk filter, charcoal, for CO & H2 comp CO sensor, GX-3R/GX-3R Pro, 5-pack |
 33-7133 | Humidity filter disk for H2S sensor, GX-3R/GX-3R Pro, 5-pack |
 ESR-A13I-H2S | H2S Sensor |
 ESR-A13P-CO | CO Sensor |
 ESR-A1CP-CO-H | CO with H2 compensation Sensor |
 ESR-A1DP-COHS | H2S/CO combo Sensor |
 ESR-X13P-OXY | O2 Sensor |
 NCR-6309 | LEL Sensor |
GX-6000
| Part Number | Description |
| 33-0159RK | Teflon filter 1 pack = 10 pcs, PF-060 (GX-2003/2012/6000/RP-6 RP-2009/GP-1000) |
| 33-0560RK | PPB pellet for PIS-001 sensor |
| 33-0562 | HPPM pellet for PIS-002 sensor |
| 33-1112RK | Filter (Metal mesh) 1 pack = 10 pcs (GX-2003/2012/6000/RP-6 RP-2009) |
| 33-7102RK | Charcoal filter CF-1821-2 for CO sensor 1 pack = 5 pcs (GX-2009/2012/6000) |
| 33-7114RK | H2S scrubber filter CF-6264-8 for LEL sensor 1 pack = 5 pcs |
 DES-3311-1 | DES-3311-1 CO2 0-5vol% Sensor |
| DES-3311-2 | DES-3311-2 HC 0-100%LEL 0-30vol% Sensor |
| ES-1821 | CO Sensor |
| ES-1827i | H2S Sensor |
| ESS-03DH-HCN | ESS-03DH HCN 0-15ppm Sensor |
| ESS-03DH-NO2 | ESS-03DH NO2 0-9ppm Sensor |
| ESS-03DH-SO2 | ESS-03DH SO2 0-6ppm Sensor |
 NC-6264A | HC Sensor |
OS-BM2 | O2 Sensor |
| PID-001 | PIS-001 Iso-buthylene 0-50000ppb Sensor |
 PID-002 | PIS-002 Iso-buthylene 0-6000pm Sensor |
GX-Force
| Part Number | Description |
33-0159RK | Teflon filter disk, 10 pieces |
| 33-1112RK | Wire mesh disk filter |
| 33-7130 | Scrubber disk filter for CO/H2S sensor (pack of 5) |
| 33-7131 | Scrubber disk filter for combustible sensor, CF-6309 (5pcs/pack) |
33-7132 | Scrubber disk filter, charcoal, for CO & H2 comp CO sensor, CF-A1CP (pack of 5), (not used on CO/H2S combo sensor) |
33-7133 | Humidity filter disk for H2S or PH3 sensor, CF-A13i (pack of 5) |
ESR-A13i-H2S | Hydrogen Sulfide (H2S) Sensor 0-200 ppm |
ESR-A13P-CO | Carbon Monoxide (CO) Sensor 0-2000 ppm |
ESR-A1CP-CO-H | Carbon Monoxide (CO) Sensor 0-2000 ppm with H2 compensation |
ESR-A1DP-COHS | CO/H2S combination Sensor, CO 0-2000 ppm, H2S 0-200 ppm |
ESR-X13P-OXY | Oxygen (O2) Sensor 0-25% vol |
NCR-6309 | LEL Sensor 0-100% |
Fixed Systems
ERIF Sales Company, Inc. 