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    • eBay
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    • Ponds & Water Features
    • UV Sterilizers & Ionizers

    Pond UV Sterilizers & Ionizers

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    • Ponds & Water Features
    • UV Sterilizers & Ionizers
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    Best Selling

    See All- Best Selling
    • Sterilight Compatible S463RL UV Lamp
      Sterilight Compatible S463RL UV Lamp
      (20)Total Ratings 20
      $21.98 New
    • Aqua UltraViolet Skimmer UV 25w for Savio Skimmerfilter
      Aqua UltraViolet Skimmer UV 25w for Savio Skimmerfilter
      (1)Total Ratings 1
      $303.35 New
    • Aqua UltraViolet Aav00023 25 Watt UV Sterilizer 1200gph - Black
      Aqua UltraViolet Aav00023 25 Watt UV Sterilizer 1200gph - Black
      (1)Total Ratings 1
      $408.60 New
    • Aqua Ultraviolet 177037 Replacement Transformer
      Aqua Ultraviolet 177037 Replacement Transformer
      (3)Total Ratings 3
      $145.90 New
    • 9 Watt Philips 325126 TUV Pl-s 9w Compatible Germicidal UV Bulb Lamp
      9 Watt Philips 325126 TUV Pl-s 9w Compatible Germicidal UV Bulb Lamp
      (1)Total Ratings 1
      $8.99 New
    • Aqua UltraViolet 15 Watt UV Clarifier/sterilizer 2" Inlet/outlet Black
      Aqua UltraViolet 15 Watt UV Clarifier/sterilizer 2" Inlet/outlet Black
      $296.75 New
    • Aqua UltraViolet 8 Watt UV Clarifier/sterilizer 3/4" Black
      Aqua UltraViolet 8 Watt UV Clarifier/sterilizer 3/4" Black
      $277.20 New
    • OASE Vitronic 36 Watt UV Clarifier for Pond 706759403504
      OASE Vitronic 36 Watt UV Clarifier for Pond 706759403504
      $259.99 New
    • All

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    • Time: ending soonest
    • Time: newly listed
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    • Price + Shipping: highest first
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    • List View

    870 Results

      • UV Sterilizer
      • Replacement Bulb
      • Standard UVC
      • Ionizer
      • All Listings filter applied
    • TotalPond Pond Filter with UV Clarifier 9 Watt 1200 Gallons 52236
      SPONSORED

      TotalPond Pond Filter with UV Clarifier 9 Watt 1200 Gallons 52236

      $114.71
      Was: $134.95
    • LSE Lighting - Quartz Sleeve Replacement for Trojan UV Bulb 602806 Q 602733
      SPONSORED

      LSE Lighting - Quartz Sleeve Replacement for Trojan UV Bulb 602806 Q 602733

      $28.89
    • Savio SUV050A UVinex 50 Watt Pond UV Clarifier -stainless steel  UVC sterilizer
      SPONSORED

      Savio SUV050A UVinex 50 Watt Pond UV Clarifier -stainless steel UVC sterilizer

      (2)2 product ratings - Savio SUV050A UVinex 50 Watt Pond UV Clarifier -stainless steel UVC sterilizer
      $285.00
    • UV Bulb 25W for model 175230 Pentair Lifegard
      SPONSORED

      UV Bulb 25W for model 175230 Pentair Lifegard

      $37.45
      $5.95 shipping
    • 9 Watt, Philips 325126, TUV PL-S 9W Compatible Germicidal UV Bulb Lamp

      9 Watt, Philips 325126, TUV PL-S 9W Compatible Germicidal UV Bulb Lamp

      (1)1 product ratings - 9 Watt, Philips 325126, TUV PL-S 9W Compatible Germicidal UV Bulb Lamp
      $8.99
      2,907 sold
    • Sterilight S463RL UV Lamp for 5 & 6 Gallon Per Minute S5Q-PA, S5Q, S5Q-GOLD Bulb

      Sterilight S463RL UV Lamp for 5 & 6 Gallon Per Minute S5Q-PA, S5Q, S5Q-GOLD Bulb

      (20)20 product ratings - Sterilight S463RL UV Lamp for 5 & 6 Gallon Per Minute S5Q-PA, S5Q, S5Q-GOLD Bulb
      $21.99
      926 sold
    • Replacement UV UV-C Bulb Lamp for Germ Guardian LB4000 Air Purifier 4800 series

      Replacement UV UV-C Bulb Lamp for Germ Guardian LB4000 Air Purifier 4800 series

      (1)1 product ratings - Replacement UV UV-C Bulb Lamp for Germ Guardian LB4000 Air Purifier 4800 series
      $9.99
      636 sold
    • SmartPond 9 Watt UV Pond Clarifier NEW

      SmartPond 9 Watt UV Pond Clarifier NEW

      (2)2 product ratings - SmartPond 9 Watt UV Pond Clarifier NEW
      $74.99
      $17.85 shipping
      or Best Offer
    • Aqua Ultraviolet A20057 Classic Compatible 57 Watt (57W) UV Lamp Bulb

      Aqua Ultraviolet A20057 Classic Compatible 57 Watt (57W) UV Lamp Bulb

      $22.99
      346 sold
    • Supreme Pondmaster 40 Watt UV Replacement Bulb for Ultraviolet Clarifier - 12974

      Supreme Pondmaster 40 Watt UV Replacement Bulb for Ultraviolet Clarifier - 12974

      $18.99
      850 sold
    • Aqua Ultraviolet 8 Watt UV Clarifier/Sterilizer, 3/4", Black

      Aqua Ultraviolet 8 Watt UV Clarifier/Sterilizer, 3/4", Black

      $277.20
      Free shipping
    • 36 Watt UV Germicidal Bulb UC36W1006 for Honeywell UV100A1059 UV100E3 2G11 Base

      36 Watt UV Germicidal Bulb UC36W1006 for Honeywell UV100A1059 UV100E3 2G11 Base

      (2)2 product ratings - 36 Watt UV Germicidal Bulb UC36W1006 for Honeywell UV100A1059 UV100E3 2G11 Base
      $13.99
      426 sold
    • 55 Watt Jebao STU-55W,  STU55W UV Clarifier Bulb, Lamp, 55W 2G11 Base

      55 Watt Jebao STU-55W, STU55W UV Clarifier Bulb, Lamp, 55W 2G11 Base

      $19.99
      461 sold
    • Savio 18 Watt Uvinex Pond UV Clarifier  SUV018 for Savio Skimmers Only
      SPONSORED

      Savio 18 Watt Uvinex Pond UV Clarifier SUV018 for Savio Skimmers Only

      $210.00
    • AMBOHR P18 Pond and Aquarium Clarifier 18Watts Eliminates Green Pond Water
      SPONSORED

      AMBOHR P18 Pond and Aquarium Clarifier 18Watts Eliminates Green Pond Water

      $125.65
    • Savio SUV018 - 18 Watt Uvinex UV Clarifier
      SPONSORED

      Savio SUV018 - 18 Watt Uvinex UV Clarifier

      (2)2 product ratings - Savio SUV018 - 18 Watt Uvinex UV Clarifier
      $212.80
      Free shipping
    • 9W Coralife 3x, 77082, Turbotwist 9 Watt Replacement UV Germicial Bulb Lamp

      9W Coralife 3x, 77082, Turbotwist 9 Watt Replacement UV Germicial Bulb Lamp

      $8.99
      189 sold
    • Replacement Lamp / Bulb  for The Original SteriShoe Ultraviolet Shoe Sanitizer

      Replacement Lamp / Bulb for The Original SteriShoe Ultraviolet Shoe Sanitizer

      $8.49
    • UV Bulb 55 Watt Odyssea 2G11 55W Aquarium UVC Jebao Sunsun Clarifier Pond

      UV Bulb 55 Watt Odyssea 2G11 55W Aquarium UVC Jebao Sunsun Clarifier Pond

      $16.75
      Free shipping
      1,118 sold
    • Laguna Pressure Flo Model 2100 PT 1521 UV-C Germicidal Bulb for 20 Watt UV Bulb

      Laguna Pressure Flo Model 2100 PT 1521 UV-C Germicidal Bulb for 20 Watt UV Bulb

      (4)4 product ratings - Laguna Pressure Flo Model 2100 PT 1521 UV-C Germicidal Bulb for 20 Watt UV Bulb
      $19.90
      or Best Offer
      50 sold
    • New! 36W Periha Drop In UV light Clarifier Submersible Stop Algae Clear Koi Pond

      New! 36W Periha Drop In UV light Clarifier Submersible Stop Algae Clear Koi Pond

      $79.00
      Free shipping
      5 watching
    • Tetra Pond GreenFree Ultraviolet Clarifier For Ponds up to 4400 Gallon UVC-18

      Tetra Pond GreenFree Ultraviolet Clarifier For Ponds up to 4400 Gallon UVC-18

      $75.00
      1 bid
      $15.00 shipping
      Ending Monday at 1:57PM PST1d
    • Quartz Sleeve Glass Tube For Jebao PU-55 UV Clarifier Sterilizer 55 Watts 55W

      Quartz Sleeve Glass Tube For Jebao PU-55 UV Clarifier Sterilizer 55 Watts 55W

      $29.99
      $7.99 shipping
      154 sold
    • Half Off Ponds Sting Ray 1,200 Gl Pond UV Filtering Pump and Fountain Set SR1200

      Half Off Ponds Sting Ray 1,200 Gl Pond UV Filtering Pump and Fountain Set SR1200

      (2)2 product ratings - Half Off Ponds Sting Ray 1,200 Gl Pond UV Filtering Pump and Fountain Set SR1200
      $109.00
      Free shipping
      25 watching
    • 9 Watt, 9W Tetra Pond Compatible Germicidal UV for PLS9, UV1, UV1 Pond Clarifier

      9 Watt, 9W Tetra Pond Compatible Germicidal UV for PLS9, UV1, UV1 Pond Clarifier

      $8.99
    • 40 Watt UV Bulb 33" Aqua Ultraviolet Classic 40W Gamma Compatible Lamp A20040

      40 Watt UV Bulb 33" Aqua Ultraviolet Classic 40W Gamma Compatible Lamp A20040

      $24.99
      233 sold
    • Honeywell Humidifier HCM-350, HWM-500 UV Germicidal E17 Bulb

      Honeywell Humidifier HCM-350, HWM-500 UV Germicidal E17 Bulb

      (13)13 product ratings - Honeywell Humidifier HCM-350, HWM-500 UV Germicidal E17 Bulb
      $8.49
      459 sold
    • Aqua Ultraviolet� Classic Series UV Clarifier/Sterilizer - 15W Units, 16 Options

      Aqua Ultraviolet� Classic Series UV Clarifier/Sterilizer - 15W Units, 16 Options

      $296.75 to $426.05
      Free shipping
    • 2x 75W (150W) Stainless Steel Pond Pool UV Clarifier Sterilizer High Pressures
      SPONSORED

      2x 75W (150W) Stainless Steel Pond Pool UV Clarifier Sterilizer High Pressures

      $399.97
      $29.99 shipping
      21 watching
    • A20100 Replacement 100W UV Lamp for SL100 SL Series
      SPONSORED

      A20100 Replacement 100W UV Lamp for SL100 SL Series

      $160.50
    • Viqua Sterilight QS-200 UV Quartz Sleeve for UV System S200RL-HO
      SPONSORED

      Viqua Sterilight QS-200 UV Quartz Sleeve for UV System S200RL-HO

      $53.00
      $7.95 shipping
      Only 1 left!
    • iSpring UVT11A 11-Watt 110-Volt UV Transformer Ballast with Smart Flow Sensor Sw
      SPONSORED

      iSpring UVT11A 11-Watt 110-Volt UV Transformer Ballast with Smart Flow Sensor Sw

      $57.85
      Was: $60.89
      or Best Offer
    • Aerus Electrolux 48710 9W, 9 Watt OEM Quality, Compatible Germicidal UV Bulb

      Aerus Electrolux 48710 9W, 9 Watt OEM Quality, Compatible Germicidal UV Bulb

      (4)4 product ratings - Aerus Electrolux 48710 9W, 9 Watt OEM Quality, Compatible Germicidal UV Bulb
      $8.99
      223 sold
    • 10W Polaris Scientific GL10SE4P, UV-1C Premium Compatible UV Bulb Lamp

      10W Polaris Scientific GL10SE4P, UV-1C Premium Compatible UV Bulb Lamp

      $15.99
    • Aqua Ultraviolet 25 Watt UV Clarifier/Sterilizer, 3/4", Black

      Aqua Ultraviolet 25 Watt UV Clarifier/Sterilizer, 3/4", Black

      (1)1 product ratings - Aqua Ultraviolet 25 Watt UV Clarifier/Sterilizer, 3/4", Black
      $408.60
      Free shipping
      3 watching
    • AQUA ULTRAVIOLET 25 watt Replacement Ballast Transformer Classic

      AQUA ULTRAVIOLET 25 watt Replacement Ballast Transformer Classic

      (7)7 product ratings - AQUA ULTRAVIOLET 25 watt Replacement Ballast Transformer Classic
      $94.99
      $21.99 shipping
    • Lamp 18 W for use with Custom SeaLife Double Helix

      Lamp 18 W for use with Custom SeaLife Double Helix

      $19.26
      $4.49 shipping
      or Best Offer
    • Jebao NPU-36 36W UV Koi Pond Clarifier Aquarium Fish Tank Sterilizer 36 watts

      Jebao NPU-36 36W UV Koi Pond Clarifier Aquarium Fish Tank Sterilizer 36 watts

      $75.99
      $15.99 shipping
    • LSE Lighting UV Lamp 214421-00 for Air Knight TT-AK249-V2 9"
      SPONSORED

      LSE Lighting UV Lamp 214421-00 for Air Knight TT-AK249-V2 9"

      $34.24
    • Replacement For UV-AIRE UV-16/120 UV-16 16" Light Bulb
      SPONSORED

      Replacement For UV-AIRE UV-16/120 UV-16 16" Light Bulb

      $37.45
    • The Pond Guy InstaFix Pond Algae Control Treatment, For Cleaner & Clearer Pond

      The Pond Guy InstaFix Pond Algae Control Treatment, For Cleaner & Clearer Pond

      $12.99
      38 sold
    • Tetra Pond 36 Watt UV Clarifier Green Free Newest Model 19522

      Tetra Pond 36 Watt UV Clarifier Green Free Newest Model 19522

      (3)3 product ratings - Tetra Pond 36 Watt UV Clarifier Green Free Newest Model 19522
      $239.95
      Free shipping
      55 sold
    • Danner PondMaster 20W UV Clarifier Supreme # 12972 20 Watt UV Bulb

      Danner PondMaster 20W UV Clarifier Supreme # 12972 20 Watt UV Bulb

      (4)4 product ratings - Danner PondMaster 20W UV Clarifier Supreme # 12972 20 Watt UV Bulb
      $17.99
      266 sold
    • LSE Lighting replacement 14-00036-001R UV Bulb for A1013A

      LSE Lighting replacement 14-00036-001R UV Bulb for A1013A

      $27.82
    • Quartz Sleeve Glass Tube For Jebao 36 Watts 36W UV Clarifier Sterilizer PU-36

      Quartz Sleeve Glass Tube For Jebao 36 Watts 36W UV Clarifier Sterilizer PU-36

      $25.98
      $6.99 shipping
      102 sold
    • Aqua Ultraviolet 57 Watt Transformer Assembly

      Aqua Ultraviolet 57 Watt Transformer Assembly

      (3)3 product ratings - Aqua Ultraviolet 57 Watt Transformer Assembly
      $192.40
      Free shipping
      81 sold
    • 11 Watt Ultra Violet Water Clarifier 3000 Gallon Capacity (OPEN BOX - NEW)

      11 Watt Ultra Violet Water Clarifier 3000 Gallon Capacity (OPEN BOX - NEW)

      $50.00
      or Best Offer
    • Aqua Ultraviolet UV Sleeve – 57 Watt - AUS57

      Aqua Ultraviolet UV Sleeve – 57 Watt - AUS57

      $49.99
      Only 1 left!

    Results Pagination - Page 1

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    Top Rated

    See All- Top Rated
    • ' /.lennox Y0390 UV Replacement Bulb for LENNOX Healthy Climate UVC 24v System
      ' /.lennox Y0390 UV Replacement Bulb for LENNOX Healthy Climate UVC 24v System
      (14)Total Ratings 14
      100% agree - Good value
      $20.99 New
    • PondMaster DNR02940 40Watt Clarifier and Sterilizer
      PondMaster DNR02940 40Watt Clarifier and Sterilizer
      (11)Total Ratings 11
      100% agree - Would recommend
      $159.44 New
    • Sterilight Compatible S463RL UV Lamp
      Sterilight Compatible S463RL UV Lamp
      (20)Total Ratings 20
      94% agree - Would recommend
      $21.98 New
    • Honeywell Humidifier Hcm-350 Hwm-500 UV Germicidal E17 Bulb
      Honeywell Humidifier Hcm-350 Hwm-500 UV Germicidal E17 Bulb
      (13)Total Ratings 13
      71% agree - Would recommend
      $8.49 New

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