Dirty Harry Pre Filter

Events+
- Koi Raffle
- Product Raffle
Pond Services
Koi Relocation - Koi Transportation - Koi Moves
Pond Maintenance
Koi For Sale
View All Koi for sale
Koi - £9.99 to £49.99
Koi - £50.00 to £99.99
Koi - £100 +
Koi - £200 +
Koi - Special offers
Kase Showa - Koshiji Showa Grow On Event
Koi & Pond Products
Clearance Items
Aeration For Koi Ponds+
- Air Accessories
- Airstones and Air Diffusers
- Air Pump Alarm
- Airtech Air Pumps
- Air Pump Spares
- Blagdon Air Pumps
- Boyu Air Pumps
- Ecomony Airstones - Disc
- Enviro ET Airpumps
- Evolution Aqua Air Accessories
- Fuji MAC Air Pumps
- Hailea Airpumps
- Hi-Blow Air Pumps
- Japanese Ceramic Airstones
- Medo Air Pumps
- Oase Air Pump Kits
- Spin Drifter Direct Air Feed Kits
- Superfish Air Pumps
- Superfish Koi Pro Airpumps
- Yamitsu Air Pumps
- Venturis
- Aqua Source Eco Plus Air Pumps
Automatic Fish Feeders+
- Aqua Forte Auto Fish Feeder
- Cloverleaf Automatic Fish Feeders
- EvoFeed Automatic Fish Feeder
- FOK Feeders
- Koi Cafe Auto Fish Feeder
- Linn Profi Automatic Fish Feeders
- Londa Automatic Fish Feeder
- RSFeeder Auto Fish Feeder
- Superfish Auto Fish Feeder
- Velda Auto Fish Feeders
- Kamihata Solar Powered Feeder
Blanketweed Treatments+
- Aqua Source Blanket Weed Resolve
- Cloverleaf Blanket Answer
- Evolution Aqua Stop Blanketweed
- Interpet Pond Balance
- Kockney Koi Blanketweed Treatments
- Kusuri Gold and Kusuri Eco Pure
- NT Labs - Blanketweed Control
- Viresco - Natural Product
Hose And Fittings+
- Cable Ties Black
- Clear Hoses
- Flexible Pond Hose
- Hose Clips
- Hose Fittings
Koi Food+
- Aqua Source Koi Food
- Evolution Aqua Koi Food
- JPD Koi Food
- Kiyomizu Koi Food
- Kockney Koi Pond Food
- Koi Treats
- Kusuri Koi Food
- Medicarp - Koi Food
- NT Labs Medikoi Koi Food
- Pond Flake Food
- Pro Line Koi Food
- Sturgeon & Tench Fish Food
- Yamato - Koi Food
- FD Koi Food
Koi Medications+
- Cloverleaf Koi Medications
- Dosage Pump
- Kockney Koi Pond Medic
- Koi Sedation
- Koi Surgical Supplies
- Koi Ulcer Treatments
- Kusuri Bacterial
- Kusuri Parasite
- NT Labs Koi Care
- Other Medications
- Vetark Medications
Koi Nets and Koi Bowls+
- Blagdon Pond Cover Nets
- Flexible Koi Bowl
- Floating Net Cages/Baskets
- Koi Bowls
- Koi Sock Nets
- Norfine Koi Nets
- Superfish Koi Pro Nets
- Aquaforte Pond Nets
- Culling Nets
- Kockney Koi Koi Nets
- Fish Transport Bags
Microscopes+
- Binocular Microscopes
- Monocular Microscopes
- Microscopes Accessories
Miscellaneous Pond Items+
- Koi Gift Vouchers
- Koi Art and Posters
- Koi Ornaments
- Pond Planting
Pond Construction+
- Ball Valves and Slide Valves
- Bottom Drains
- Filter Cages/Sight Glasses
- Flexible Rubber Boot Connectors
- Glass Fibre
- Grey Pressure Fittings
- Grey Pressure Pipe
- Non Return Valves
- Pond Paint Sealants
- Silicone and Solvents Adhesives
- Solvent Weld Fittings
- Solvent Weld Pipe
- Tank Connectors
Pond Defence
Pond Electrical+
- Blagdon Switch Boxes
- Matsuko Switch Boxes
- Oase Cloud Controllers
- Pond Digital Weighing Scales
- Proline Auto Top Up
- Weatherproof Cable Connectors
- Yamitsu Switch Boxes
Pond filter Media+
- Alfagrog
- Bac Bio Balls
- Bacteria Home Media - 10kgs
- Crystal Bio Shower Media
- Far Infrared Bacteria Home
- Filter Brushes
- Filter Wool / Wadding
- Kusuri Lithaqua
- Kintama Black
- Japanese Matting
- K Plus Filter Media
- K1 Filter Media
- Oyster Shells
- Moving Bed Filter Media
- Pond Filter Foams
- Pond Filter Media Accessories
- Pond Pump Pre Filter Foam Cube
- Pumice Stone Filter Media
- Spawning Brush
- Waterco Bead Filter Media
- Zeolite
- Kockney Koi Kintama GoldBalls
Pond Filtration+
- Aquaforte Black Box Filters
- Crystal Bio Shower Filter
- Dirty Harry Pre Filter
- Drum Filters+
  - Air Aqua BioRotator Drum Filters
  - Aqua Forte Drum Filters
  - Burton Drum Filters
  - Filtreau Drum Filters
  - Superdrum Combi
  - Superfish - Koi Pro Drum Filters
  - Synergy Drum Filters
  - Drum Cleaning Pumps
  - Drum Filter Spares
- Drum Screen Cleaner 500ml
- Evolution Aqua Tempest Filter
- Filtra Pond Filtration
- Kockney Koi Box Filters
- Kockney Koi Multi-Bay
- Kockney Koi Power Shower
- K+Advanced Filters
- MicroBeast Bead Filter
- Multi Cyclone Filter
- Nexus Eazy + Filters
- Nexus Eazy Pod
- Oase Pond Filters
- Ozone
- Pond Filtration Package Deals
- Pond Pressure Filters+
  - Oase Pressure Filters
  - Superfish Pressure Filters
- Pond Sieves
- Protein Skimmers
- Roto Concept Gravity Shower
- RP Pond Reactor
- Stainless Steel Shower Filter
- Shower Pond Filters
- Super Bead Filter
- Ultra Beads - Econo Beads
- Waterco Bead Filters
Pond Fountains
Pond Lighting+
- Aqua Forte Pond and Garden Lights
- Blagdon Pond Lighting
- Superfish Pond LED Light
- Oase Pond Lighting
Pond Heating+
- Cloverleaf Pond Heaters
- Elecro Cygnet EVO2 Pond Heaters - All Titanium
- Elecro Nano Cygnet Aquatic Heater
- Elecro G2 Heat Exchanger
- Heat Exchangers
- Heat Pumps
- Profi - Pond Heaters
- Pro Line Pond Heaters
- Thermostats/ Digistats and Probes
- WaterCo Digiheat Inline Electric Heater
Pond Liners+
- Box Weld Pond Liners
- Butyl Pond Liners
- Firestone Pond Liner
- Greenseal EPDM Pond Liners - SealEco
- Polyfelt Pond Liner Underlay
- Pond Liner Repair Kits
Pond Package Deals+
- Kockney Koi Pond Package Deals
Pond Pumps+
- Aqua Forte Pond Pumps
- Aquamite Pond Pumps
- Auga Varioflow Pond Pumps
- Blagdon Amphibious IQ
- Boyu Pond Pumps
- Dab Nova Pumps
- Drainage Pumps
- Evolution Aqua Pond Pumps
- Flow Friend Pumps
- Fountain Pond Pumps
- Hailea Pond Pumps
- Kockney Koi Pond Pumps
- Oase Pond Pumps
- Performance Pro Pumps
- Pontec Pondomax Eco
- Speck Badu Pond Pumps
- Superfish Pond Pumps
- Yamitsu Pond Pumps
- 12v Pond Pumps
Pond Skimmers+
- Aqua Forte Floating Pond Skimmers
- Certikin Pond Skimmers
- Floating Pond Skimmers
- Large Pro In Wall Pond Skimmer
- Oase Pond Skimmers
- Standard Pond Skimmer
Pond Thermometers+
- Digital Pond Thermometers
- Floating Pond Thermometers
- Infra - Red Pond Thermometers
Pond Vacuums/Pond Cleaning+
- Boyu pond Vacuum
- Oase Pond Vacuums
- Pond Cleaning Accessories
- Aquaforte Pond Vacuums
Pond Water Testing+
- Columbo Pond Water Test Kit
- Digital Pond Water Testers
- NT Labs Water Test Kit
- Aqua Source Digital Pond Tester
Quarantine Tanks & Koi Vats+
- Fibreglass Quarantine Tanks
- AquaForte Koi Vats
Pond UV Clarifiers+
- Almagam UV-C
- AquaForte X-clear UV
- Bio Professional UV
- Delta Bio-UV
- ELECRO HR - UVC
- Evolution Aqua Evo UV
- Oase Bitron Pond Ultra Violet
- TMC Pro Clear Ultima UV
- Yamitsu Algae Master UV
- Replacement UV Bulbs +
- Replacement Quartz Sleeves
- Ultra Violet Spares+
Water Features+
- Proline Water Blades
- Kockney Koi Water Blade
- Oase Stainless Steel Waterfalls
- Oase Water Blades
Water Purification+
- Activated Carbon Media
- EA Inline Water Purifiers
- OASE In-line Dechlorinator
- Oase ProfiClear - Automatic Pond Top Up
- SKS Pod Range Purifiers
- Water Purifiers/ Dechlorinators+
  - SKS Water Purifiers
  - Kockney Koi Purifiers
- Water Purifier Accessories
- PRO Line Automatic top up system
Water Treatments+
- Aqua Source
- Cloverleaf Water Treatments
- Colombo Pond Treatments
- Evolution Aqua
- Filter Starts/Mature
- FOK BIO Factor VL
- Kockney Koi - Yamitsu
- Kusuri Additives
- Lincolnshire Fish Health
- Microbe - Lift - Water Treatments
- Refresh powder
- Other Treatments
Quoted Payment Page
Aquarium Products
Aquarium Air Accessories+
- Aquaurium Air Curtain
- Aquarium Air Rings
- Aquarium Airstones
Aquarium Air Pumps+
- Hailea Aquarium Air Pumps - Budget
- Hailea Aquarium Pumps - Multi Channel
Aquarium Chillers+
- Hailea Aquarium Chillers
Aquarium Filter Media+
- Fish R Fun Aquarium Filter Media
Aquarium Filters Internal+
- Fish R Fun Bowl Filter Kit
- Hailea Internal Filters
Aquarium Fish Tanks
Aquarium Lighting and Spares+
- Fish R Fun Aquarium Lighting Spares
- Fish R Fun Marine Lighting and Spares
Aquarium Thermometers+
- Aquarium Thermometers
Aquarium UV
Aquarium Water Pumps+
- Aquarium Wave Pumps
- Fish R Fun Replacement Aquarium Pumps
- Hailea Aquarium Water Pumps
- Reef Octopus VarioS Circulation Pump
Koi Zone
Contact
Find Us
Photo Gallery
Koi Zone Company Info+
- Pricing
- Opening Times
- Orders & Delivery
- Returns Policy
- About Us
- Pet Shop Licence
- T&Cs
Koi Zone News+
- Nexus Eazy 320 & Nexus Eazy 220
- Pond Heating
- K1 Micro
Privacy Policy+
- Conditions Of Use
- Copyright Notice
- Privacy Policy Statement
Company Info
About Us
Privacy Policy
Terms & Conditions
Contact Us