{"product_id":"lees-original-undergravel-filter-aquarium-filters-undergravel-48-long-x-12-wide-40-55-gallons","title":"Lees Original Undergravel Filter [Aquarium; Filters Undergravel] 48\" Long x 12\" Wide (40-55 Gallons)","description":"\u003cp\u003eLees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium . * Provides biological filtration and aeration to aquarium * Includes airline diffusers; carbon cartridges; Discard-A-Stone and fish-saver feature * For use in fresh and saltwater aquariums Placed on the bottom surface of the aquarium; the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the down through the media and up through the uplift tubes. The advanced design allows separate plate installation and features optional flow-thru setup; which can be used with a powerhead. Adjustable 1\" uplift tubes provide superior circulation. The filter is made of special; premium quality plastic which resists splitting and cracking. Note: Must be attached to an air pump or powerhead (sold separately).\u003c\/p\u003e","brand":"shirasekagu.com","offers":[{"title":"Default Title","offer_id":46785236402373,"sku":"shirasekagu.com353398","price":17.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/8243\/1429\/files\/1FAD3F41-781E-FB6A-9AF6-7D6CAB108A67.webp?v=1787365549","url":"https:\/\/www.shirasekagu.com\/products\/lees-original-undergravel-filter-aquarium-filters-undergravel-48-long-x-12-wide-40-55-gallons","provider":"shirasekagu.com","version":"1.0","type":"link"}