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21W GPH436T5L

The GPH436T5L is a high-performance, low-pressure germicidal UV lamp designed for intensive sterilization in water treatment, air purification, and surface disinfection systems. Engineered with premium quartz glass, this T5-diameter lamp emits concentrated 254nm UVC radiation to effectively neutralize 99.9% of bacteria, viruses, and molds. Its single-ended 4-pin design ensures easy installation and stable electrical performance, making it a reliable choice for industrial and commercial sterilization equipment.

Product Specification

Modle	GPH436T5L
Voltage	62V
Wattage	21W
Certificate	CE ROHS
Pin	1pin, 2pin, 4pin
Wavelength	254nm (Ozone-free) / 185nm (Ozone-generating optional)
Lifetime	10000hours
Diameter	15mm(D)436mm(L)
Warranty	1 year

Product Advantages

High Germicidal Efficiency

Emits a peak wavelength of 254nm, providing the most effective germicidal action to destroy microbial DNA/RNA.

Long-Lasting Stability

Features a specialized internal coating to minimize UV depreciation, maintaining high output throughout its 12,000-hour lifespan.

Premium Quartz Construction

High-transmittance quartz glass ensures maximum UVC intensity and resistance to thermal shock.

Plug-and-Play Design

The 4-pin single-ended base prevents wiring errors and simplifies maintenance for end-users.

Eco-Friendly Sterilization

A physical disinfection process that leaves no chemical residue or ozone (Ozone-free version).

Product Advantages

HVAC Air Duct UV Germicidal Purifiers

Aquaculture Water Sterilization UV Reactors

Swimming Pool Water Disinfection Systems

Hospital, Laboratory Air Disinfection UV Units

Factory Advantages

OEM/ODM Expertise

Over 20 years of experience in custom UV lamp manufacturing, supporting specific wattage, length, and base requirements.

Quality Assurance

Fully certified with CE, RoHS, and ISO9001, ensuring every batch meets international safety and performance standards.

Stable Supply Chain

Robust production capacity with short lead times for bulk orders (7-15 days for standard models).

Factory-Direct Pricing

Eliminate middlemen and maximize your profit margins with competitive wholesale pricing.

FAQ

01.Is the GPH436T5L lamp ozone-generating?

The "L" in the model name typically stands for "Low Ozone" or "Ozone-free" (254nm). If you require an ozone-generating version (185nm) for odor removal, we can provide the GPH436T5VH variant.

02.How often should I replace the lamp?

While the lamp may still light up after 10,000 hours, its UVC intensity drops significantly. To maintain effective sterilization, we recommend replacement every 12 months.

03.Can this lamp be used with different ballasts?

This is a preheat start lamp. For optimal lifespan and performance, it must be paired with a matching electronic or magnetic ballast (425mA).

04.Do you support customized logos for wholesale buyers?

Yes, we provide private labeling and custom packaging services for bulk orders to help you build your own brand identity.

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