Stihl
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$53.99
Aqua-Terra Lighting 11W Pond Filter Bulb 2-Pack – UVC Ultra Violet Bulbs for Filters & Clarifiers – Germicidal G23 2pin PLS lamp Base for Replacing UV Bulbs in Garden Pond Filters
★★★★★
$53.99
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1
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About this item
- 11W UV-C PLS Bulb with G23 Base – 253.7nm Light for Sterilisation High-efficiency 11w UV-C germicidal bulb designed for use in pond filters and aquarium filtration systems, producing 253.7nm ultraviolet light that neutralizes algae, bacteria, and pathogens.
- Fits Pond UV Clarifiers – 21.4cm Total Lamp Length Measures 21.4cm in length, making it ideal for most pond UV clarifiers and water sterilisation units. Ensures crystal-clear water for koi ponds, garden ponds, and ornamental water features.
- Easy-Install G23 2-Pin Base – Compatible with Top Brands Features a universal G23 2-pin base for fast and secure replacement. Fully compatible with systems from Hozelock, Oase, Blagdon, Fish Mate, and more—no wiring or modification required.
- Not for General Lighting – UVC Output is Hazardous to Eyes & Skin Produces UV-C light for enclosed pond filtration systems only. Must not be used for regular room lighting. Always install inside sealed UV units to avoid direct exposure to humans or animals.
- Multiple Wattage Options Available – 30-Day Satisfaction Guarantee Available in 5w, 7w, 9w, and 11w versions to match your existing system. Backed by a 30-day no-quibble refund policy—buy with confidence and ensure your pond remains clean and safe.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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