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Part #KSTN KT-LED18T8HO-48G-850-D2 18W LED T8 HO LAMP, 4FT LONG, GLASS CONSTRUCTION, R17D SOCKET, 5000K, 120-277V INPUT, INTERAL DRIVER, DIRECT DRIVE Keystone Technologies, KT-LED18T8HO-48G-850-D2, T8 Lamp, Linear, KT-LED18T8HO-48G-850-D2 Designation, 18 W
MFG #KT-LED18T8HO-48G-850-D2
22 in Stock. More available 07/09/2026
$24.42/EA
Part #KSTN HPS-150X-Q-KIT HIGH PRESSURE SODIUM BALLAST KIT 150W 120/208/240/277V ANSI S55 Keystone Technologies, HPS-150X-Q-KIT 1/3, Ballast Kit, 150 W Wattage, 60 Hz Frequency, Probe Start, 40 deg C Minimum Starting, Power Factor: High, 90 deg C, Cu/Cu, 3
MFG #HPS-150X-Q-KIT
10 in Stock. More available 07/09/2026
$118.65/EA
Part #KSTN KTEB-2110-UV-TP-PIC T12HO ELECTRONIC BALLAST HPF RAPID START 1 OR 2 LAMP 60W/75W/85W/95W/110W
MFG #KTEB-2110-UV-TP-PIC
23 in Stock. More available 07/09/2026
$49.87/EA
Part #KSTN KT-LED12T8-48G-BL-D 12W 4' T8 LAMP 240 DEGREE BEAM ANGLE 365 NM WAVELENGTH BLACK LIGHT UV 120-277V LINE VOLTAGE/BYPASS Keystone Technologies, KT-LED12T8-48G-BL-D-CP, Lamp, High-Efficiency, Series: 800 DirectDrive, KT-LED12T8-48G-BL-D-CP Designat
MFG #KT-LED12T8-48G-BL-D
20 in Stock. More available 07/09/2026
$64.31/EA
Part #KSTN KTEB-218-UV-RS-DW-KIT CFL ELECTRONIC BALLAST HPF RAPID START 1 OR 2 LAMP 18W 120/277V Keystone Technologies, KTEB-218-UV-RS-DW-KIT, Dual Wire Case Ballast, 18 W Lamp, 120 to 270 VAC, 50 to 60 Hz Frequency, Rapid Start, -18 deg C Minimum Starting
MFG #KTEB-218-UV-RS-DW-KIT
12 in Stock. More available 06/23/2026 and 07/09/2026
$41.46/EA
Part #KSTN KT-LED13T8-60P1SO-8CSK-DX2 60IN 13W LED SIGN TUBE, SINGLE SIDED, CLEAR OPTICAL LENS, COLOR SELECT (3CCT-4000/5000/6500K), DOUBLE & SINGLE ENDED, ROTATABLE R17D END CAPS, 120-277V INPUT
MFG #KT-LED13T8-60P1SO-8CSK-DX2
Part #KTSB-E-0216-12-UV-IP ELECTRONIC SIGN BALLAST, 2-16 FEET, 1-2 LAMPS, 120-277 V Keystone Technologies, KTSB-E-0216-12-UV-IP, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 121 to 132 W Wattage, 120 to 277 V, 50, 60 Hz Frequency, Instant Sta
MFG #KTSB-E-0216-12-UV-IP
Part #KSTN KT-LED7T8-30P1S-840-D/G2 30", 7W, 840 LUMENS, 180' BEAM SPREAD, SINGLE SIDED LAMP, BALLAST BYPASS Keystone Technologies, KT-LED7T8-30P1S-840-D /G2, T8 Lamp, Series: 800 Direct Drive, KT-LED7T8-30P1S-840-D /G2 Designation, 7 W Wattage, 120 to 277
MFG #KT-LED7T8-30P1S-840-D/G2
Part #KSTN KT-LED11T8-48P1S-840-D 48" 180 DEG SIGNHERO LAMP 4000K (BYPASS)
MFG #KT-LED11T8-48P1S-840-D
Part #KSTN KT-LED25T5HO-48GC-865-DX2 25W, 3400 LUMEN, 4', 240' BEAM ANGLE, BALLAST BYPASS, DLC 4.0 Keystone Technologies, KT-LED25T5HO-48GC-865-DX2, T5 Lamp, Linear, Series: 800, KT-LED25T5HO-48GC-865-DX2 Designation, 25 W Wattage, 120 to 277 VAC, 93, 215
MFG #KT-LED25T5HO-48GC-865-DX2
101 in Stock. More available 07/09/2026
Part #KSTN KT-ALED140PS-M2-OSB-SF-8CSB- VDIM-P 140W POWER SELECT COLOR SELECT LED AREA LIGHT WITH NEMA TYPE 7-PIN TWIST LOCK RECEPTACLE + SHORTING CAP. SERIES 2 MEDIUM HOUSING. OPTICS SELECTABLE B (TYPE III, IV, AND V). SLIP FITTER MOUNT. NEMA TYPE 3-PIN T
MFG #KT-ALED140PS-M2-OSB-SF-8CSB-
4 in Stock. More available 07/09/2026
$599.07/EA
Part #KSTN KT-LED100PSHID-EX39-840-D/G4 LED HID Replacement Lamp, Power Select 100/80/63W, EX39 Base, 4000K, 120-277V Input, DirectDrive
MFG #KT-LED100PSHID-EX39-840-D/G4
2 in Stock. More available 07/09/2026
$239.48/EA
Part #KSTN KT-TFLED100-850-CS/30FT KEYSTONE LED TEMPORARY JOBSITE FIXTURE 100W 5000K 12000LM DIFFUSED LENS WITH 30 FOOT POWER CORD MOUNTING HOOK SAFETY CAGE LINKABLE 
MFG #KT-TFLED100-850-CS/30FT
10 in Stock. More available 07/09/2026
$156.99/EA
Part #KSTN KTEB-259-UV-IS-N-DP T8 ELECTRONIC BALLAST HPF INSTANT START 1 OR 2 LAMP 38W/51W/59W 120/277V Keystone Technologies, KTEB-259-UV-IS-N-DP, Ballast, Electronic, F96T8 Lamp, 59 W Lamp, 108 W Wattage, 120 V, 0.92 A, 50/60 Hz Frequency, Instant Start,
MFG #KTEB-259-UV-IS-N-DP
62 in Stock. More available 07/09/2026
Part #MPS-320A-Q-KIT3/1 320W PULSE START METAL HALIDE, BALLAST REPLACEMENT KIT, QUAD TAP (120/208/240/277V), WITH CAPACITOR AND IGNITOR. BALLAST INCLUDED: MPS-320-A-Q-CA. Keystone Technologies, MPS-320A-Q-KIT 3/1, Ballast, Kit, Metal Halide Lamp, 320 W Lam
MFG #MPS-320A-Q-KIT3/1
4 in Stock. More available 07/09/2026
$176.94/EA
Part #KSTN KTSB-E-1232-24-UV-S (2-4)T8/T12 HO 120VAC 12'-32' COMBINED LAMP LENGTH PROGRAMMED RAPID START SERIES WIRING SIGN BALLAST Keystone Technologies, KTSB-E-1232-24-UV-S-IP, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 282, 275, 256, 252
MFG #KTSB-E-1232-24-UV-S
1 in Stock. More available 07/09/2026
$185.87/EA
Part #KSTN KTEB-286HO-UV-IS-N-DP 2X F96T8HO, 120-277V, INSTANT START, DISTRIBUTOR PACK Keystone Technologies, KTEB-286HO-UV-IS-N-DP, Ballast, Electronic, T8/HO Lamp, 86 W Lamp, 146 W Wattage, 120 to 277 VAC, 1.22 A, 50/60 Hz Frequency, Instant Start, -29 d
MFG #KTEB-286HO-UV-IS-N-DP
11 in Stock. More available 06/23/2026 and 07/09/2026
$63.17/EA
Part #KSTN MH-250A-Q-KIT3/1 250W METAL HALIDE, QUAD TAP (120/208/240/277V), BALLAST KIT WITH CAPACITOR AND IGNITOR, BALLAST INCLUDED: MH-250A-Q-CA Keystone Technologies, MH-250A-Q-KIT 3/1, Ballast, Kit, Metal Halide Lamp, 250 W Lamp, 285 W Wattage, 120, 20
MFG #MH-250A-Q-KIT3/1
Part #KSTN KT-LED18T8-U6GC-835-D 18W, 2200 LUMEN, 6" U-BEND, 220' BEAM ANGLE, BALLAST BYPASS Keystone Technologies, KT-LED18T8-U6GC-835-D-CP, T8 Lamp, U-Bend, Series: 800 Direct Drive, KT-LED18T8-U6GC-835-D-CP Designation, 18 W Wattage, 32 W Incandescent E
MFG #KT-LED18T8-U6GC-835-D
21 in Stock. More available 07/09/2026
$29.30/EA
Part #KSTN KT-LED5T8-24P1SO-8CSK-DX2
MFG #KT-LED5T8-24P1SO-8CSK-DX2
2 in Stock. More available 07/09/2026
$40.00/EA
Part #KSTN KTEB-432-UV-IS-N-P-DP T8 ELECTRONIC BALLAST HPF INSTANT START 3 OR 4 LAMP 17W/25W/32W 120/277V *i*DISCONTINUED Keystone Technologies, KTEB-432-UV-IS-N-P-DP, Ballast, F32T8 Lamp, 25, 28, 30, 32 W Wattage, 120 to 277 VAC, 0.93, 0.85, 0.79, 0.74 A,
MFG #KTEB-432-UV-IS-N-P-DP
In Stock
$25.97/EA
Part #KSTN KTSB-E-0432-14-UV/A ELECTRONIC SIGN BALLAST, 4-32 FEET, 1-4 LAMPS, 120-277V, REVISED WIRING Keystone Technologies, KTSB-E-0432-14-UV /A, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 267 W Wattage, 120 to 277 V, 1, 2.4 A, 50, 60 Hz
MFG #KTSB-E-0432-14-UV/A
2 in Stock. More available 07/09/2026
$130.08/EA
Part #KSTN KT-CWLED44PS-4-8CSA-VDIM 4FT LED CURVED WRAP FIXTURE. POWER SELECT & COLOR SELECT, 44/28/18W, 3500K/4K/5K, FROSTED LENS, 0-10V DIMMING, 120-277V, 44W, 800 SERIES, >80 CRI, >0.9 POWER FACTOR, THD <20%
MFG #KT-CWLED44PS-4-8CSA-VDIM
1 in Stock. More available 07/09/2026
$189.20/EA
Part #KSTN KT-LED25T8-48G-840-DX2-CP 25W LED T8 GLASS TUBE 4FT 4000K 120-277V 25/CS DIRECT DRIVE 3000 lumen Keystone Technologies, KT-LED25T8-48G-840-DX2-CP, Lamp, High Efficiency, Series: 800 DirectDrive DX2, KT-LED25T8-48G-840-DX2-CP Designation, 25 W Wa
MFG #KT-LED25T8-48G-840-DX2-CP
Part #KSTN KT-LED18T8HO-48G-850-D2 18W LED T8 HO LAMP, 4FT LONG, GLASS CONSTRUCTION, R17D SOCKET, 5000K, 120-277V INPUT, INTERAL DRIVER, DIRECT DRIVE Keystone Technologies, KT-LED18T8HO-48G-850-D2, T8 Lamp, Linear, KT-LED18T8HO-48G-850-D2 Designation, 18 W
MFG #KT-LED18T8HO-48G-850-D2
22 in Stock. More available 07/09/2026
$24.42/EA
Part #KSTN HPS-150X-Q-KIT HIGH PRESSURE SODIUM BALLAST KIT 150W 120/208/240/277V ANSI S55 Keystone Technologies, HPS-150X-Q-KIT 1/3, Ballast Kit, 150 W Wattage, 60 Hz Frequency, Probe Start, 40 deg C Minimum Starting, Power Factor: High, 90 deg C, Cu/Cu, 3
MFG #HPS-150X-Q-KIT
10 in Stock. More available 07/09/2026
$118.65/EA
Part #KSTN KTEB-2110-UV-TP-PIC T12HO ELECTRONIC BALLAST HPF RAPID START 1 OR 2 LAMP 60W/75W/85W/95W/110W
MFG #KTEB-2110-UV-TP-PIC
23 in Stock. More available 07/09/2026
$49.87/EA
Part #KSTN KT-LED12T8-48G-BL-D 12W 4' T8 LAMP 240 DEGREE BEAM ANGLE 365 NM WAVELENGTH BLACK LIGHT UV 120-277V LINE VOLTAGE/BYPASS Keystone Technologies, KT-LED12T8-48G-BL-D-CP, Lamp, High-Efficiency, Series: 800 DirectDrive, KT-LED12T8-48G-BL-D-CP Designat
MFG #KT-LED12T8-48G-BL-D
20 in Stock. More available 07/09/2026
$64.31/EA
Part #KSTN KTEB-218-UV-RS-DW-KIT CFL ELECTRONIC BALLAST HPF RAPID START 1 OR 2 LAMP 18W 120/277V Keystone Technologies, KTEB-218-UV-RS-DW-KIT, Dual Wire Case Ballast, 18 W Lamp, 120 to 270 VAC, 50 to 60 Hz Frequency, Rapid Start, -18 deg C Minimum Starting
MFG #KTEB-218-UV-RS-DW-KIT
12 in Stock. More available 06/23/2026 and 07/09/2026
$41.46/EA
Part #KSTN KT-LED13T8-60P1SO-8CSK-DX2 60IN 13W LED SIGN TUBE, SINGLE SIDED, CLEAR OPTICAL LENS, COLOR SELECT (3CCT-4000/5000/6500K), DOUBLE & SINGLE ENDED, ROTATABLE R17D END CAPS, 120-277V INPUT
MFG #KT-LED13T8-60P1SO-8CSK-DX2
Part #KTSB-E-0216-12-UV-IP ELECTRONIC SIGN BALLAST, 2-16 FEET, 1-2 LAMPS, 120-277 V Keystone Technologies, KTSB-E-0216-12-UV-IP, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 121 to 132 W Wattage, 120 to 277 V, 50, 60 Hz Frequency, Instant Sta
MFG #KTSB-E-0216-12-UV-IP
Part #KSTN KT-LED7T8-30P1S-840-D/G2 30", 7W, 840 LUMENS, 180' BEAM SPREAD, SINGLE SIDED LAMP, BALLAST BYPASS Keystone Technologies, KT-LED7T8-30P1S-840-D /G2, T8 Lamp, Series: 800 Direct Drive, KT-LED7T8-30P1S-840-D /G2 Designation, 7 W Wattage, 120 to 277
MFG #KT-LED7T8-30P1S-840-D/G2
Part #KSTN KT-LED11T8-48P1S-840-D 48" 180 DEG SIGNHERO LAMP 4000K (BYPASS)
MFG #KT-LED11T8-48P1S-840-D
Part #KSTN KT-LED25T5HO-48GC-865-DX2 25W, 3400 LUMEN, 4', 240' BEAM ANGLE, BALLAST BYPASS, DLC 4.0 Keystone Technologies, KT-LED25T5HO-48GC-865-DX2, T5 Lamp, Linear, Series: 800, KT-LED25T5HO-48GC-865-DX2 Designation, 25 W Wattage, 120 to 277 VAC, 93, 215
MFG #KT-LED25T5HO-48GC-865-DX2
101 in Stock. More available 07/09/2026
Part #KSTN KT-ALED140PS-M2-OSB-SF-8CSB- VDIM-P 140W POWER SELECT COLOR SELECT LED AREA LIGHT WITH NEMA TYPE 7-PIN TWIST LOCK RECEPTACLE + SHORTING CAP. SERIES 2 MEDIUM HOUSING. OPTICS SELECTABLE B (TYPE III, IV, AND V). SLIP FITTER MOUNT. NEMA TYPE 3-PIN T
MFG #KT-ALED140PS-M2-OSB-SF-8CSB-
4 in Stock. More available 07/09/2026
$599.07/EA
Part #KSTN KT-LED100PSHID-EX39-840-D/G4 LED HID Replacement Lamp, Power Select 100/80/63W, EX39 Base, 4000K, 120-277V Input, DirectDrive
MFG #KT-LED100PSHID-EX39-840-D/G4
2 in Stock. More available 07/09/2026
$239.48/EA
Part #KSTN KT-TFLED100-850-CS/30FT KEYSTONE LED TEMPORARY JOBSITE FIXTURE 100W 5000K 12000LM DIFFUSED LENS WITH 30 FOOT POWER CORD MOUNTING HOOK SAFETY CAGE LINKABLE 
MFG #KT-TFLED100-850-CS/30FT
10 in Stock. More available 07/09/2026
$156.99/EA
Part #KSTN KTEB-259-UV-IS-N-DP T8 ELECTRONIC BALLAST HPF INSTANT START 1 OR 2 LAMP 38W/51W/59W 120/277V Keystone Technologies, KTEB-259-UV-IS-N-DP, Ballast, Electronic, F96T8 Lamp, 59 W Lamp, 108 W Wattage, 120 V, 0.92 A, 50/60 Hz Frequency, Instant Start,
MFG #KTEB-259-UV-IS-N-DP
62 in Stock. More available 07/09/2026
Part #MPS-320A-Q-KIT3/1 320W PULSE START METAL HALIDE, BALLAST REPLACEMENT KIT, QUAD TAP (120/208/240/277V), WITH CAPACITOR AND IGNITOR. BALLAST INCLUDED: MPS-320-A-Q-CA. Keystone Technologies, MPS-320A-Q-KIT 3/1, Ballast, Kit, Metal Halide Lamp, 320 W Lam
MFG #MPS-320A-Q-KIT3/1
4 in Stock. More available 07/09/2026
$176.94/EA
Part #KSTN KTSB-E-1232-24-UV-S (2-4)T8/T12 HO 120VAC 12'-32' COMBINED LAMP LENGTH PROGRAMMED RAPID START SERIES WIRING SIGN BALLAST Keystone Technologies, KTSB-E-1232-24-UV-S-IP, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 282, 275, 256, 252
MFG #KTSB-E-1232-24-UV-S
1 in Stock. More available 07/09/2026
$185.87/EA
Part #KSTN KTEB-286HO-UV-IS-N-DP 2X F96T8HO, 120-277V, INSTANT START, DISTRIBUTOR PACK Keystone Technologies, KTEB-286HO-UV-IS-N-DP, Ballast, Electronic, T8/HO Lamp, 86 W Lamp, 146 W Wattage, 120 to 277 VAC, 1.22 A, 50/60 Hz Frequency, Instant Start, -29 d
MFG #KTEB-286HO-UV-IS-N-DP
11 in Stock. More available 06/23/2026 and 07/09/2026
$63.17/EA
Part #KSTN MH-250A-Q-KIT3/1 250W METAL HALIDE, QUAD TAP (120/208/240/277V), BALLAST KIT WITH CAPACITOR AND IGNITOR, BALLAST INCLUDED: MH-250A-Q-CA Keystone Technologies, MH-250A-Q-KIT 3/1, Ballast, Kit, Metal Halide Lamp, 250 W Lamp, 285 W Wattage, 120, 20
MFG #MH-250A-Q-KIT3/1
Part #KSTN KT-LED18T8-U6GC-835-D 18W, 2200 LUMEN, 6" U-BEND, 220' BEAM ANGLE, BALLAST BYPASS Keystone Technologies, KT-LED18T8-U6GC-835-D-CP, T8 Lamp, U-Bend, Series: 800 Direct Drive, KT-LED18T8-U6GC-835-D-CP Designation, 18 W Wattage, 32 W Incandescent E
MFG #KT-LED18T8-U6GC-835-D
21 in Stock. More available 07/09/2026
$29.30/EA
Part #KSTN KT-LED5T8-24P1SO-8CSK-DX2
MFG #KT-LED5T8-24P1SO-8CSK-DX2
2 in Stock. More available 07/09/2026
$40.00/EA
Part #KSTN KTEB-432-UV-IS-N-P-DP T8 ELECTRONIC BALLAST HPF INSTANT START 3 OR 4 LAMP 17W/25W/32W 120/277V *i*DISCONTINUED Keystone Technologies, KTEB-432-UV-IS-N-P-DP, Ballast, F32T8 Lamp, 25, 28, 30, 32 W Wattage, 120 to 277 VAC, 0.93, 0.85, 0.79, 0.74 A,
MFG #KTEB-432-UV-IS-N-P-DP
In Stock
$25.97/EA
Part #KSTN KTSB-E-0432-14-UV/A ELECTRONIC SIGN BALLAST, 4-32 FEET, 1-4 LAMPS, 120-277V, REVISED WIRING Keystone Technologies, KTSB-E-0432-14-UV /A, Electronic Sign Ballast, Parallel Wiring, T8HO/T12HO Lamp, 267 W Wattage, 120 to 277 V, 1, 2.4 A, 50, 60 Hz
MFG #KTSB-E-0432-14-UV/A
2 in Stock. More available 07/09/2026
$130.08/EA
Part #KSTN KT-CWLED44PS-4-8CSA-VDIM 4FT LED CURVED WRAP FIXTURE. POWER SELECT & COLOR SELECT, 44/28/18W, 3500K/4K/5K, FROSTED LENS, 0-10V DIMMING, 120-277V, 44W, 800 SERIES, >80 CRI, >0.9 POWER FACTOR, THD <20%
MFG #KT-CWLED44PS-4-8CSA-VDIM
1 in Stock. More available 07/09/2026
$189.20/EA
Part #KSTN KT-LED25T8-48G-840-DX2-CP 25W LED T8 GLASS TUBE 4FT 4000K 120-277V 25/CS DIRECT DRIVE 3000 lumen Keystone Technologies, KT-LED25T8-48G-840-DX2-CP, Lamp, High Efficiency, Series: 800 DirectDrive DX2, KT-LED25T8-48G-840-DX2-CP Designation, 25 W Wa
MFG #KT-LED25T8-48G-840-DX2-CP