Skip to main content
Hi
!
Hi!
Sign in
or
register
Daily Deals
Brand Outlet
Gift Cards
Help & Contact
Sell
Watchlist
Expand Watch List
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watchlist
Purchase History
Buy Again
Selling
Saved Feed
Saved Searches
Saved Sellers
My Garage
Sizes
My Collection
Messages
PSA Vault
Expand Notifications
Please
sign-in
to view notifications.
Expand Cart
Loading...
eBay Home
Shop by category
All Categories
Search
Advanced
Best selling products: Best
4 Gas Monitor
Bestselling
Top Rated
1
Rank 1
BW Technologies GA24XT-M Gas Detector
(1)
$111.00 New
$111.00 New
---- Used
No used products available
2
Rank 2
BW Technologies BWC2-H Single Gas Monitor Hydrogen Sulfide (H2S) - Yellow
(14)
$90.00 New
$90.00 New
$34.48 Used
$34.48 Used
3
Rank 3
MSA 10116926 Altair 5X Gas Detector Industrial Kit - LEL, O2, CO, H2S
(3)
$1,799.99 New
$1,799.99 New
$1,250.00 Used
$1,250.00 Used
4
Rank 4
MSA 10106722 Altair 5X Combustible Sensor Kit
(2)
$380.00 New
$380.00 New
---- Used
No used products available
5
Rank 5
BW Technologies BWC2-X Clip Single Gas Detector - Yellow
(4)
$112.95 New
$112.95 New
---- Used
No used products available
6
Rank 6
BW Honeywell GasAlertMax XT II Portable Pump Gas Detector H2S, CO, O2, LEL (XTXWHMYNA)
(2)
$650.00 New
$650.00 New
$399.00 Used
$399.00 Used
7
Rank 7
MSA 10087913 Charger - Black
(19)
$62.00 New
$62.00 New
$55.00 Used
$55.00 Used
8
Rank 8
RKI Instruments Gx-2009 4 Gas Monitor (lel O2 H2s Co)
$406.70 New
$406.70 New
$128.99 Used
$128.99 Used
9
Rank 9
MSA 10092521C Altair Hydrogen Sulfide Gas Detector Hydrogen Sulfide
(2)
$70.64 New
$70.64 New
$25.00 Used
$25.00 Used
10
Rank 10
Fieldpiece CAT85K2 Combustion Analyzer HC with Wireless Printer
$1,695.00 New
$1,695.00 New
---- Used
No used products available
11
Rank 11
MSA 10106725 Sensor with Alarms 10/1700 ppm with Altair 4X/5X Multi-Gas Detector
(4)
$192.00 New
$192.00 New
$70.00 Used
$70.00 Used
12
Rank 12
Macurco Fixed Gas Detector C3h8 Ch4 0 To25 LEL Gd-2a White
(3)
$125.00 New
$125.00 New
$99.45 Used
$99.45 Used
13
Rank 13
Draeger 8101831 Detector Tube Hydrogen Sulfide PK 10 G6804761
$49.99 New
$49.99 New
---- Used
No used products available
14
Rank 14
Dräger PointGard 2100 Gas Monitoring System - 8326420
$1,900.00 New
$1,900.00 New
---- Used
No used products available
15
Rank 15
Fieldpiece SCM4 Carbon Monoxide Detector - Black/Yellow
(12)
$189.00 New
$189.00 New
$90.00 Used
$90.00 Used
16
Rank 16
Original & ALPHASENSE Oxygen Sensor O2-a2 Date Code
(2)
$33.99 New
$33.99 New
---- Used
No used products available
17
Rank 17
Klein Tools ET120 Combustible Gas Leak Detector
(12)
$62.99 New
$62.99 New
$53.95 Used
$53.95 Used
18
Rank 18
MTI Industry 25-741-BL Safe-T-Alert Carbon Monoxide Propane Leak Detector
(3)
$53.00 New
$53.00 New
---- Used
No used products available
19
Rank 19
MSA 10106729 4X and ALTAIR 5X Oxygen Sensor
(4)
$150.00 New
$150.00 New
---- Used
No used products available
20
Rank 20
Dräger Accuro Tube Gas Detection System 64 000 00 6400000
(2)
$499.00 New
$499.00 New
$199.00 Used
$199.00 Used
21
Rank 21
BW Technologies GasAlertMax XT II 4-gas Detector With Pump - Yellow (XT-XWHM-Y-NA)
$400.00 New
$400.00 New
---- Used
No used products available
22
Rank 22
Honeywell BW GasAlertClip Extreme Single Gas Detector Monitor
$71.25 New
$71.25 New
---- Used
No used products available
23
Rank 23
Drager 8317610 P3u Polytron 7000 Toxic Gases and Oxygen Detector
$1,495.00 New
$1,495.00 New
$450.00 Used
$450.00 Used
24
Rank 24
MSA 1" Air Line Straight Probe
(2)
$299.00 New
$299.00 New
$100.00 Used
$100.00 Used
25
Rank 25
MSA 10152669 Altair 50ft Sample Draw Pump Probe With Charger
$394.00 New
$394.00 New
$277.19 Used
$277.19 Used
26
Rank 26
Atmotube Pro Portable Air Quality Monitor
(6)
$109.99 New
$109.99 New
$99.99 Used
$99.99 Used
27
Rank 27
MSA A-ULTX-SENS-14-1-0 0-25% Resolution Oxygen Sensor
(2)
$779.47 New
$779.47 New
$48.99 Used
$48.99 Used
28
Rank 28
BTMETER BT-5800G Rechargeable Ammonia Gas Detector Sensor Orange READ
$93.50 New
$93.50 New
---- Used
No used products available
29
Rank 29
EG Air EGVOC-100 Air Quality Monitor
(1)
$10.00 New
$10.00 New
---- Used
No used products available
30
Rank 30
MSA 10105756 Cylinder Holder Assembly
$1,252.48 New
$1,252.48 New
$1,088.88 Used
$1,088.88 Used
31
Rank 31
Inficon 718-202-G1 Combustible Gas Leak Detector - Yellow
(3)
$279.18 New
$279.18 New
$99.99 Used
$99.99 Used
32
Rank 32
Figaro KE-25F3 GS Oxygen Sensor
$92.80 New
$92.80 New
---- Used
No used products available
33
Rank 33
Bacharach 0019-7111 Probe & Hose Assembly With Sample
$115.00 New
$115.00 New
---- Used
No used products available
34
Rank 34
BW Technologies BWC2-H510 Gas Detector
$99.00 New
$99.00 New
---- Used
No used products available
35
Rank 35
Temtop LKC-1000S Air Quality Detector Formaldehyde Pm2.5 Pm10 HCHO TVOC
(5)
$52.49 New
$52.49 New
$50.00 Used
$50.00 Used
36
Rank 36
MSA 467895 RP Flow Control Regulator With Tubing 03065a
(4)
$200.00 New
$200.00 New
$99.00 Used
$99.00 Used
37
Rank 37
UEi Test Instruments CD100A 9 V Combustible Gas Leak Detector
(21)
$12.95 New
$12.95 New
---- Used
No used products available
38
Rank 38
RIDGID 36163 Micro CD-100 Combustible Gas Detector - Grey
(22)
$197.33 New
$197.33 New
$50.99 Used
$50.99 Used
39
Rank 39
Xintex Gasoline FUME Detector & Alarm Plastic Sensor Black Bezel Display
$229.99 New
$229.99 New
---- Used
No used products available
40
Rank 40
MSA Ultima X5000 Two Sensor Gas Monitor With LEL Methane Sensors and Bluetooth
$300.00 New
$300.00 New
---- Used
No used products available
41
Rank 41
TPI 721 Combustible Gas Leak Detector 10 PPM Sensitivity
$293.99 New
$293.99 New
$69.90 Used
$69.90 Used
42
Rank 42
Pulse Engine Tachometer for Gasoline Engine Pet-304 Oppama 4589507800093
(2)
$55.60 New
$55.60 New
---- Used
No used products available
43
Rank 43
BW SR-X2V Replacement Oxygen Sensor
$46.00 New
$46.00 New
$20.00 Used
$20.00 Used
44
Rank 44
Dräger Tube Ammonia 0.25/A 0.25-3 ppm Pack of 10 Drager 8101711 - JAN 2026
$39.95 New
$39.95 New
---- Used
No used products available
45
Rank 45
Temtop M2000C2nd Air Quality Detector PM2.5 PM10 CO2 Particles Humidity Temp
$179.99 New
$179.99 New
---- Used
No used products available
46
Rank 46
MSA 458481 Ventilation Smoke Tube Kit
(2)
$58.95 New
$58.95 New
---- Used
No used products available
47
Rank 47
Industrial Scientific Single Unit Battery Charger - 18108191
(3)
$24.08 New
$24.08 New
---- Used
No used products available
48
Rank 48
Temtop M10 Air Quality Monitor
(1)
$55.99 New
$55.99 New
$27.20 Used
$27.20 Used
49
Rank 49
Smart Sensor Handheld Carbon Monoxide Meter Co Gas Tester Monitor Detector O8a4
(6)
$31.34 New
$31.34 New
$15.00 Used
$15.00 Used
50
Rank 50
MSA 10040665 Sampling Line 1/4x10 Ft. G7470172 Ships in 1 Business Day
$190.00 New
$190.00 New
---- Used
No used products available
51
Rank 51
Testo 317-3 Probeless Ambient Air Quality Carbon Monoxide Meter Digital Cd12
(1)
$240.00 New
$240.00 New
$150.00 Used
$150.00 Used
52
Rank 52
Klein Tools ET110 Carbon Monoxide Meter
(10)
$125.00 New
$125.00 New
$59.95 Used
$59.95 Used
53
Rank 53
Techamor Y401 Natural Gas Detector Propane Home Gas Leak Alarm Monitor RV
(2)
$19.88 New
$19.88 New
---- Used
No used products available
54
Rank 54
Gastec Gas Sampler Set Gv-100s 9-070-01 GV100STR With Handy Case From JPN RARE
(1)
$168.59 New
$168.59 New
---- Used
No used products available
55
Rank 55
Yeezou Techamor Y201 Natural Gas Leak Sniffer Detector
(10)
$20.95 New
$20.95 New
$15.99 Used
$15.99 Used
56
Rank 56
Awair 2nd Edition: See The Invisible Air Quality Monitor
(6)
$199.20 New
$199.20 New
---- Used
No used products available
57
Rank 57
Bacharach 0024-1591 LL O2 Sensor for Insight Plus
(1)
---- New
No new products available
---- Used
No used products available
58
Rank 58
Pangaea RV Propane Gas Alarm 12V Digital LP Gas Detector for Motorhome PRG1000-B
(1)
$29.99 New
$29.99 New
---- Used
No used products available
59
Rank 59
MSA ALTAIR O2 Single-Gas Detector - Black
(1)
$99.99 New
$99.99 New
$69.99 Used
$69.99 Used
60
Rank 60
Fireboy-Xintex CMD6-MD 12/24V CO Alarm - White
$140.65 New
$140.65 New
---- Used
No used products available
61
Rank 61
LABTECH Radon Detection Test Kit LT5110
(1)
$10.19 New
$10.19 New
---- Used
No used products available
62
Rank 62
Industrial Scientific 17134487 Replacement Sensor Carbon Monoxide
$49.99 New
$49.99 New
---- Used
No used products available
63
Rank 63
Pangaea PHG100 Portable Gas Tester Detector Open Box
---- New
No new products available
---- Used
No used products available
64
Rank 64
Fieldpiece SOX3 Combustion Check Meter
(5)
$488.75 New
$488.75 New
$71.95 Used
$71.95 Used
65
Rank 65
Honeywell BW Clip BWC2-M Single Gas CO Monitor
$98.91 New
$98.91 New
$34.50 Used
$34.50 Used
66
Rank 66
Extech CO100 Desktop Indoor Air Quality Co2 Monitor
$62.99 New
$62.99 New
---- Used
No used products available
67
Rank 67
PT520A Rechargeable Gas Leak Detector Natural Gas Detector with 17-inch Probe
$59.00 New
$59.00 New
---- Used
No used products available
68
Rank 68
PANGAEA Digital RV Propane Gas Detector with 85dB Loud Alarm DC 12V for Traile
(1)
$32.50 New
$32.50 New
---- Used
No used products available
69
Rank 69
Kobalt Combustible Gas Leak Detector (4882346) SC - GDPB
$16.49 New
$16.49 New
---- Used
No used products available
70
Rank 70
MSA 10127422 Multi-Gas Detector - Black
$493.00 New
$493.00 New
$249.99 Used
$249.99 Used
71
Rank 71
Drager Dräger Water- and dustfilter (incl. 6 cm hose) for pump part no 8313648
$55.00 New
$55.00 New
---- Used
No used products available
72
Rank 72
Fluke CO-220 664711 Carbon Monoxide Meter
(6)
$377.99 New
$377.99 New
$39.95 Used
$39.95 Used
73
Rank 73
Drager 8316992 Wall Outlet Plug Adapter Charger 240-120v Accuro 2000 Quantimeter
---- New
No new products available
---- Used
No used products available
74
Rank 74
BW Technologies Sr-m04-sc Replacement Sensor Carbon Monoxide 5zxg7
$65.00 New
$65.00 New
---- Used
No used products available
75
Rank 75
Air Quality Pollution Monitor Formaldehyde Detector Temperature & Humidity
$145.27 New
$145.27 New
$35.00 Used
$35.00 Used
76
Rank 76
MSA 10106727 Xcell Sulfur Dioxide So2 Replacement Cell Sensor
---- New
No new products available
---- Used
No used products available
77
Rank 77
TRIPLETT GSM100 Combustible Gas Detector 32 to 122F 794UC5
$109.99 New
$109.99 New
$20.00 Used
$20.00 Used
78
Rank 78
TPI HXG-2D Combust Gas Leak Detector
(4)
$46.42 New
$46.42 New
---- Used
No used products available
79
Rank 79
Triplett Portable Carbon Monoxide Meter GSM130 Triplett GSM130 614395003463
$79.98 New
$79.98 New
---- Used
No used products available
80
Rank 80
Bacharach 0024-1467 B-smart Co Carbon Monoxide Sensor for Insight
---- New
No new products available
---- Used
No used products available
81
Rank 81
AIRKNIGHT AK1000 9-In-1 Indoor Air Quality Monitor -
$73.99 New
$73.99 New
---- Used
No used products available
82
Rank 82
General Tools CGD900 Digital Display Combustible Gas Leak Detector
---- New
No new products available
---- Used
No used products available
83
Rank 83
BW MICROpeL 75C Combustible LEL Sensor for Detectors (SR-W-MP75C)
$172.00 New
$172.00 New
---- Used
No used products available
84
Rank 84
Industrial Scientific 17124975-2 Replacement Sensor H2s for Mx6 G7624407
(1)
---- New
No new products available
---- Used
No used products available
85
Rank 85
Air Systems International CO-91NS Replacement Carbon Monoxide Sensor
$1.99 New
$1.99 New
---- Used
No used products available
86
Rank 86
General Tools PNG2000A Natural Gas Detector Pen 2day Ship
(7)
$33.99 New
$33.99 New
$19.97 Used
$19.97 Used
87
Rank 87
HONEYWELL HTRAM-V2-W Transmission Risk Air Monitor with USB Charger
$39.99 New
$39.99 New
---- Used
No used products available
88
Rank 88
Industrial Scientific Mx6 Co/h2s Sensor 17124975-j Mfg 2018
---- New
No new products available
---- Used
No used products available
89
Rank 89
PT199 Natural Gas Leak Detector with Audible & Visual Alarm Portable Gas Sniffe
$31.55 New
$31.55 New
---- Used
No used products available
90
Rank 90
Extech Combustible Gas Detector,flex Gooseneck (EZ40)
(5)
$53.54 New
$53.54 New
$29.95 Used
$29.95 Used
91
Rank 91
Natural Gas Detector Toptes PT177 Gas Leak Detector with Audible & Visual Alarm
$26.19 New
$26.19 New
---- Used
No used products available
92
Rank 92
Honeywell Replacement Back Enclosure Yellow Gas ALert Micro Clip XL MCXL-BC1
---- New
No new products available
---- Used
No used products available
93
Rank 93
Extech CO220 Desktop Indoor Air Quality Co2 Monitor
$66.45 New
$66.45 New
---- Used
No used products available
94
Rank 94
MSA 801582 Water Stop Sampling Probe Filters Advantec Jp050an
$40.00 New
$40.00 New
---- Used
No used products available
95
Rank 95
Symbion 240PGD Portable Propane Leak Detector
(75)
---- New
No new products available
---- Used
No used products available
96
Rank 96
Industrial Scientific Replacement Sensor Hydrogen Sulfide H2s Ventis Mx4
$130.00 New
$130.00 New
---- Used
No used products available
97
Rank 97
Rae Systems 008-3003-000 Serial Type Adapter Computer Interface Cable
---- New
No new products available
---- Used
No used products available
98
Rank 98
Honeywell BW Solo Gas Detector (NO2) - Nitrogen Dioxide - BWS2-D-Y
---- New
No new products available
---- Used
No used products available
99
Rank 99
Wilkerson Wsa-04-fm0 Separator Condensate 1/2 in NPT 200 PSI
(1)
$169.99 New
$169.99 New
---- Used
No used products available
100
Rank 100
Cheffort Intell Instruments Carbon Monoxide Handheld Meter AS8700A
$47.47 New
$47.47 New
---- Used
No used products available