Replacement Light Bulb for DONSBULBS HS366 Haag Streit HS366 Ophthalmology Slit Lamp - 6V 27W P44S Base G12

Replacement for DONSBULBS HS366 in the Haag Streit HS366 Ophthalmology Slit Lamp. This halogen incandescent globe bulb delivers consistent performance at 6 volts and 27 watts while drawing 4.5 amps through its specialized P44S base. The G12 shape and clear finish produce reliable light output that matches the original equipment requirements for slit lamp examinations.

Medical professionals depend on accurate illumination during ophthalmic procedures. This replacement ensures the slit lamp maintains its intended brightness and beam quality without introducing flicker or color shifts that could affect diagnostic precision. The 100-hour rated life supports extended use in busy clinical environments while minimizing downtime from frequent bulb changes.

Precise focal alignment is critical in slit lamp diagnostics where even minor variations in beam intensity can impact patient assessment outcomes. This bulb replicates the original optical characteristics to preserve diagnostic accuracy across all examination protocols. Its robust filament construction withstands repeated thermal cycles without degradation in light quality or output stability.

Clinics performing high volumes of anterior segment evaluations benefit from the dependable service interval provided by this component. Consistent performance reduces the need for mid-procedure adjustments and supports efficient patient throughput. The specialized base design ensures secure mounting that maintains correct positioning relative to the optical pathway throughout the bulb service life.

Key Features & Benefits

• Operates on 6 volts with 27 watts power consumption
• Draws 4.5 amps during use
• G12 shape with clear finish
• 100 hour rated life
• P44S 44MM FLANGE ON 14MM SCREW BASE

Product Specifications

• Volts: 6
• Watts: 27
• Base: P44S 44MM FLANGE ON 14MM SCREW BASE
• Shape: G12
• Life: 100
• Bulb Finish: CLEAR
• AMPS: 4.500
• Replaces OEM: HS366

Replacement Compatibility

Compatible with Haag Streit HS366 Ophthalmology Slit Lamp

Installation requires only basic handling precautions typical for halogen bulbs. Always allow the lamp to cool before removal and avoid touching the glass envelope with bare fingers to prevent premature failure from skin oils. Proper seating of the P44S flange ensures stable electrical contact and correct focal alignment within the slit lamp housing.

Users report restored clarity and consistent slit beam intensity immediately after installation. The bulb integrates seamlessly with existing Haag Streit optics, preserving the equipment's original performance characteristics. Regular inspection of the socket contacts helps maintain reliable operation over multiple replacement cycles.

Discover the Perfect Replacement

Browse the full selection of replacement parts to locate the correct match for your equipment requirements and complete your order.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.