{"product_id":"lees-original-undergravel-filter","title":"Lees Original Undergravel Filter","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 water.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides biological filtration and aeration to aquarium\u003c\/li\u003e\n\u003cli\u003eIncludes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature\u003c\/li\u003e\n\u003cli\u003eFor use in fresh and saltwater aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlaced 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 water down through the media and up through the uplift tubes.\u003cbr\u003e\u003cbr\u003eThe 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 water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.\u003cbr\u003e\u003cbr\u003eNote: Must be attached to an air pump or powerhead (sold separately).\u003c\/p\u003e","brand":"Lee's","offers":[{"title":"3. 20\" Long x 10\" W","offer_id":48325336760540,"sku":"S13210","price":21.99,"currency_code":"USD","in_stock":true},{"title":"2. 15\" Long x 7.5\"","offer_id":48325336793308,"sku":"S13205","price":19.99,"currency_code":"USD","in_stock":true},{"title":"1. 12\" Long x 6\" Wi","offer_id":48325336826076,"sku":"S13204","price":12.99,"currency_code":"USD","in_stock":true},{"title":"11. 72\" Long x 15\"","offer_id":48325336858844,"sku":"S13265","price":72.99,"currency_code":"USD","in_stock":true},{"title":"5. 30\" Long x 12\" W","offer_id":48325336891612,"sku":"S13220","price":29.99,"currency_code":"USD","in_stock":true},{"title":"7. 48\" Long x 12\" W","offer_id":48325336924380,"sku":"S13240","price":36.99,"currency_code":"USD","in_stock":true},{"title":"6. 36\" Long x 12\" W","offer_id":48325336957148,"sku":"S13230","price":34.99,"currency_code":"USD","in_stock":true},{"title":"4. 24\" Long x 12\" W","offer_id":48325336989916,"sku":"S13215","price":24.99,"currency_code":"USD","in_stock":true},{"title":"10. 60\" Long x 15\"","offer_id":48325337022684,"sku":"S13263","price":54.99,"currency_code":"USD","in_stock":true},{"title":"8. 48\" Long x 12\" W","offer_id":48325337055452,"sku":"S13245","price":34.99,"currency_code":"USD","in_stock":true},{"title":"9. 48\" Long x 15\" W","offer_id":48325337088220,"sku":"S13260","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/9502\/2044\/files\/80fa42e5-780563_d4c98d0d84c049c3b95061ad4a77b013_mv2.jpg?v=1774236735","url":"https:\/\/www.t-rexpets.com\/products\/lees-original-undergravel-filter","provider":"T-Rex Pet Shop","version":"1.0","type":"link"}