{"product_id":"external-canister-filter-aquarium-uv-lamp-water-purification-and-algae-removal-system-hw-304b-525-gph-200-gallon-flow-rate-8-2-foot-maximum-head-220v-us-plug-plastic-metal-rubber-construction","title":"External Canister Filter Aquarium UV Lamp Water Purification And Algae Removal System HW-304B 525 GPH 200-Gallon Flow Rate 8.2-Foot Maximum Head 220V US Plug Plastic Metal Rubber Construction","description":"\u003ch1\u003eExternal Canister Filter with UV Lamp for Aquarium Water Purification\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/388c6919-4eee-4cf2-b495-3c7065a86531.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis canister filter system integrates a UV purification lamp to help control algae and maintain healthy water conditions in freshwater or marine aquariums. With a flow rate of 525 gallons per hour and support for tanks up to 200 gallons, it is suitable for medium to large fish-only or planted setups. The external design keeps equipment out of the display while providing effective mechanical, biological, and UV filtration. Built from plastic, metal, and rubber, the HW-304B model offers a maximum head of 8.2 feet for flexible placement below the tank. Power supply is 220V US, making it ideal for American household electrical systems.\u003c\/p\u003e\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/68685c86-80ec-49f5-84a9-4503f110e44f.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThe canister filter uses a multi-stage filtration process combined with a UV clarifier to address common aquarium issues such as green water and bacterial blooms. Its robust construction and high flow rate make it a practical choice for dedicated hobbyists.\u003c\/p\u003e\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\u003cp\u003eThe filter body is made from durable plastic, with metal components used for critical mechanical parts such as the pump shaft and fittings. Rubber seals and gaskets ensure a leak-proof connection between the canister, hoses, and lid. This combination prioritises reliability and long-term use.\u003c\/p\u003e\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\u003cp\u003eWith a maximum head height of 8.2 feet, the filter can be placed below the aquarium, even in cabinets or stands, while maintaining adequate water return. The compact external footprint saves space inside the tank, leaving more room for fish and decor.\u003c\/p\u003e\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/71291c85-ae20-401a-a3f0-ed12681e9fe5.webp\"\u003e\u003c\/div\u003e\u003cp\u003eThis external filter is designed for hobbyists who need consistent water quality and algae control without relying solely on chemical treatments. It works well for both freshwater and marine systems where UV sterilisation is beneficial.\u003c\/p\u003e\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\u003cp\u003eIdeal for public aquariums, retail fish stores, or breeding facilities that require reliable filtration across multiple tanks. The UV lamp helps reduce pathogen load, supporting healthier stock during high-density holding.\u003c\/p\u003e\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\u003cp\u003eHome aquarium keepers will appreciate the combination of biological and UV filtration for maintaining clear water with minimal effort. The 525 GPH flow rate ensures turnover for tanks up to 200 gallons, keeping debris and algae in check.\u003c\/p\u003e\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/8c051217-9f23-4ea4-a84e-295ecddc66ea.webp\"\u003e\u003c\/div\u003e\u003cp\u003eChoosing a filter with integrated UV reduces the need for additional equipment and simplifies maintenance routines. The canister design also provides a larger media capacity compared to hang-on-back filters.\u003c\/p\u003e\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\u003cp\u003eFilter media can be rinsed and reused, reducing ongoing costs. The UV lamp requires periodic replacement but extends the time between deep cleanings by controlling algae and bacteria.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\u003cp\u003eThe HW-304B offers a complete filtration solution in one package: mechanical, biological, and UV purification. Its 525 GPH rating and 200-gallon capacity make it a strong candidate for larger aquariums where water clarity and quality are priorities.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/95647c75-0667-402d-956e-e5f70b4a90e1.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/b2c841e6-1063-4e4e-be4e-7d37da0536fa.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/c7ae00af-a4f0-415f-926f-f7e66ba55b0b.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"HW-304B external canister filter with UV lamp for aquarium water purification, black plastic and metal construction\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US02\/6947\/2025-10-27\/original-image\/fbe99bb4-6b7a-4d2f-81d5-def6716267cb.webp\"\u003e\u003c\/div\u003e","brand":"qhntmx-d5","offers":[{"title":"HW 304B \/ 220v US","offer_id":54593197801805,"sku":"CJYC157010301AZ","price":245.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/9539\/5405\/files\/b2c841e6-1063-4e4e-be4e-7d37da0536fa.webp?v=1787823029","url":"https:\/\/anverelle.com\/products\/external-canister-filter-aquarium-uv-lamp-water-purification-and-algae-removal-system-hw-304b-525-gph-200-gallon-flow-rate-8-2-foot-maximum-head-220v-us-plug-plastic-metal-rubber-construction","provider":"Anverelle","version":"1.0","type":"link"}