Who manufacturers the bulb? Philips? Osram?

Philips is the manufacturer of our bulbs.

I currently have the tetrapond clear choice biofilter pf-1. can i add this in between the tetra 550 pump & the filter?

Yes, you sure can. It goes outside the pond, so you'd put it a few feet from the inlet of the filter.

Is 9W bulb longer that 5W in length?

The bulbs come in four sizes,viz 5W, 9W, 18W and 36W. I am pretty sure that the 9W will be bigger/longer than the 5W.

Need a philips tp16787 tetra 9watt replacrment lamp for the puv-1 is it still available

i just listed 4 ---tetra 16787 --there not cheap and i only have 4 left ...

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Description

💧 Illuminate your pond’s clarity with unstoppable UV power!

EASY MONITORING - Transparent fittings let you confirm bulb operation at a glance—no guesswork
SEASONAL REFRESH - Replace every pond season to maintain that envy-worthy, green-free glow
LONG LASTING UV POWER - Up to 11 months of continuous algae control without compromise
TAILORED POND COVERAGE - 9-watt bulb perfect for ponds up to 1,800 gallons—no overkill, just precision
CRYSTAL CLEAR WATERS FAST - Destroys algae reproduction within 5 days for pristine ponds

The TetraPond 9-Watt Replacement Bulb is a high-efficiency ultraviolet light source designed for the GreenFree UV Clarifier. It effectively destroys single-celled algae’s reproductive ability, clearing ponds up to 1,800 gallons within days. With an 8,000-hour lifespan, it delivers up to 11 months of continuous operation, ensuring long-term algae control when replaced seasonally. Transparent fittings and a reflective stainless steel insert maximize UV exposure and allow easy bulb status checks, making it a must-have for maintaining crystal-clear, green-free ponds.

Specifications

Brand	Tetra
Light Type	Fluorescent
Special Feature	Long Lasting
Wattage	9 watts
Bulb Shape Size	F10
Bulb Base	Wedge
Incandescent Equivalent Wattage	40 Watts
Specific Uses For Product	Pond Algae Control
Light Color	Green, clear
Voltage	120 Volts
Unit Count	1 Count
Number of Items	1
Shape	Tubular(T)
Material	Plastic
Model Name	Tetra
Connectivity Technology	Normal bulb
Indoor/Outdoor Usage	Outdoor
Controller Type	Push Button
Power Source	Electric
Color Rendering Index	80
Power Consumption	9 Watts
Item Package Quantity	1
Light Source Type	UV
Item Weight	0.1 Pounds
Light Source Wattage	9 Watts
Product Dimensions	1"W x 6.75"H
Accepted voltage frequency	100 to 120 Volts and 60 Hertz
Control Method	App
Average Life	8000 Hours
Efficiency	9 watts with algae control effectiveness within 5 days and up to 11 months
Global Trade Identification Number	00046798195276
Manufacturer	TetraPond
UPC	046798195276
Part Number	19527
Item Weight	1.55 ounces
Item model number	19527
Is Discontinued By Manufacturer	No
Size	1 Count (Pack of 1)
Finish	Clear
Special Features	Long Lasting
Batteries Included?	No
Batteries Required?	No
Warranty Description	See label for details.

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