- Type: Halogen lamp
- Lamp shape: T1 1/2
- Voltage: 3.5V
- Power: 2.52W
- Intensity: 720 mA
- Diameter: 4.62 mm
- Colour temperature: 3150K
- Lifetime: 20 hours
Valid for: Welch Allyn 20000 Otoscope, Welch Allyn 20200 Otoscope, Welch Allyn 20202 Otoscope, Welch Allyn 21700 Otoscope, Welch Allyn 25000 Otoscope, Welch Allyn 25020 Otoscope, Welch Allyn 25200 Otoscope), Transill illuminator and uminator, Transill 26530 illuminator and uminator, Transill 26538 illuminator and uminator, Transill 27000 illuminator and uminator, Transill 27050 illuminator and uminator, Transill 41100 illuminator and uminator, Transill 43300 illuminator and uminator, 28100 blade holder with tab, and 73500 3.5 V handle adapter.
Applications: EpiScope, Occluder, Ophthalmoscope, Retinoscope, StrabismusScope, StrabismusScopey, Ophthalmoscope, Ophthalmoscope, Retinoscope.

Welch Allyn 03000-U compatible lamp for otoscope applications.

- Type: Halogen lamp
- Lamp shape: T 1.5
- Voltage: 3.5V
- Power: 2.7W
- Intensity: 700 mA
- Diameter: 0.25 mm
- Colour temperature: 3250K
- Lumens: 19.2 lum
- Lifetime: 20 hours
- Valid for: Welch Allyn 20000 Otoscope, Welch Allyn 20200 Otoscope, Welch Allyn 20202 Otoscope, Welch Allyn 21700 Otoscope, Welch Allyn 25000 Otoscope, Welch Allyn 25020 Otoscope, Welch Allyn 25200 Otoscope), Transill illuminator and uminator, Transill 26530 illuminator and uminator, Transill 26538 illuminator and uminator, Transill 27000 illuminator and uminator, Transill 27050 illuminator and uminator, Transill 41100 illuminator and uminator, Transill 43300 illuminator and uminator, 28100 blade holder with tab, and 73500 3.5 V handle adapter.
- Applications: Otoscope, Transill illuminator and illuminator, blade holder with tab and 3.5 V handle adapter.

Welch Allyn 00200-U compatible lamp for otoscope applications.

- Type: Incandescent
- Lamp shape: TL1/4
- Voltage: 2.5V
- Intensity: 350 mA
- Diameter: 4.7 mm
- Life hours: 15 hours
- Valid for: Welch Allyn 380 Series Anoscopes, Welch Allyn 385 Series Anoscopes, Welch Allyn 38800 Anoscopes, Welch Allyn 395 Series Anoscopes, Welch Allyn 20100 Anoscopes.
Welch Allyn 21600, Welch Allyn 235 Series, Welch Allyn 77900 Penlight, Welch Allyn 26000, Welch Allyn 2603, Welch Allyn 40510, Welch Allyn 41000, Welch Allyn 42700, Welch Allyn 41000.
- Applications: Otoscope, illuminator.

Welch Allyn 03400-U compatible lamp for otoscope applications.

- Type: Halogen lamp
- Lamp shape: T1 1/2
- Voltage: 2.5V
- Power: 1.65W
- Intensity: 660 mA
- Diameter: 4.83 mm
- Colour temperature: 3025K
- Lifetime: 12 hours
Valid for: Otoscope 21110, Otoscope 21111, Otoscope 24000, Otoscope 24011, Otoscope 24020, Otoscope 24031, illuminators and transilluminators 27200, illuminator and transilluminator 27250, illuminator and transilluminator 41110 and 2.5 V handle adapter 73550Strabismascope.
Applications: Otoscopes, illuminators and transilluminators and 2.5 V handle adaptor

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Welch Allyn 03700-U compatible lamp for otoscope applications Retinoscope.

- Type: Halogen lamp
- Lamp shape: T2 3/4
- Voltage: 3.5V
- Power: 1.65W
- Intensity: 700 mA
Valid for: Retinoscope 18100, Ophthalmic 18100
Applications: Retinoscope

Welch Allyn 03800-U compatible lamp for Ophthalmoscopy applications

- Type: Halogen lamp
- Voltage: 3.5V
- Power: 3.33W
- Intensity: 950 mA
- Hours of life: 25 hours

Welch Allyn 04400-U compatible lamp for Ophthalmoscope applications.

- Type: Incandescent
- Lamp shape: TL1/2
- Voltage: 2.5V
- Intensity: 640 mA
- Lamp life: 20 hours
- Valid for: Welch Allyn 11400, Welch Allyn 11411, Welch Allyn 11470 and Welch Allyn 11475

Welch Allyn 047-U compatible lamp for paediatric laryngoscope applications.

- Type: Halogen lamp
- Lamp shape: T1
- Voltage: 2.5V
- Power: 0.7W
- Diameter: 0,125
- Colour temperature: 2650 K
- Lifetime: 14 hours
- Valid for: 2.5V vacuum lamp for standard laryngoscope blades (Sizes 0 and 1) in the 634 Series, 664, 674, 680, 684, 690, 692, and (Sizes 1 and 2) in the 694 Series.
- Applications: Infant laryngoscope.

Welch Allyn 04800 compatible lamp for adult laryngoscope applications.

- Type: Halogen Lamp
- Lamp shape: T1
- Voltage: 2.5V
- Power: 0.95W
- Amps: 380mA
- Finish: Frosted
- Colour temperature: 2690 K
- Lifetime: 12 hours
- Valid for: Adult 3 and Upstandard, Macintosh size 2 and 3, 2.5V vacuum lamp for standard laryngoscope blades (Sizes 2 and 4) in Series 634, 664, 674, 680, 684, (Sizes 1 and 4) in Series 640, (Sizes 3 and 4) in Series 690, 692 and 694 and kit 40415.
- Applications: Adult laryngoscope.

Welch Allyn 04900 compatible lamp for Ophthalmoscope applications.

- Type: Halogen lamp
- Lamp shape: T1 1/2
- Voltage: 3.5V
- Power: 2.70W
- Amps: 380mA
- Diameter: 4.8mm
- Colour temperature: 3150 K
- Lifetime: 17 hours
- Valid for: Welch Allyn 11620 instrument, Welch Allyn 11630 instrument, Welch Allyn 11720 instrument, Welch Allyn 11730 instrument and Welch Allyn 11735 instrument.
- Applications: Ophthalmoscope.

Welch Allyn 06000 compatible lamp for fiber optic laryngoscope applications.

- Voltage: 2.5V
- Power: 1.65W
- Amps: 660mA
- Hours of life: 20 hours
- Valid for: For Welch Allyn 60813, 60814, 6071, 60815, 60803 and 60804 laryngoscope handgrips.
- Applications: Adult laryngoscope.

Welch Allyn 07800-U compatible lamp for Vaginal Speculum Illuminator applications.

- Type: Halogen lamp
- Lamp shape: T1 1/2
- Voltage: 6V
- Power: 4.32W
- Amps: 720mA
- Hours of life: 75 hours
- Valid for: For Welch Allyn 60813, 60814, 6071, 60815, 60803 and 60804 laryngoscope handgrips.
- Applications: Nikon Racha, Welch Allyn sigmoidoscope and anoscope light handle 73200, Welch Allyn sigmoidoscope and anoscope light handle 73210, Welch Allyn vaginal speculum illuminator 78000.