Fluval Betta Premium Aquarium Kit, 6 US Gal / 22.7 L. The expansive 6 US Gal / 22.7 L Betta Premium Aquarium Kit has been thoughtfully crafted to mirror the natural tropical habitat of B. splendens. Highlighted by an advanced multi-stage filtration system with gentle intake and output, an integrated water change feature, soothing soft glow LED lighting, and a convenient 25W preset heater, the kit comes well equipped with everything you need to recreate the perfect Betta sanctuary. Custom Betta filtration with advanced cleaning for maximum water quality and clarity Integrated utility valve for swift and effortless water changes – no mess, no livestock disturbance, and no additional tools required Gentle intake slows water entry and helps protect delicate Betta fins Patent pending Diffusion Chamber disperses flow and polishes water to mimic clean, slow-moving currents of indigenous Betta habitats Natural soft glow LED lighting is energy efficient and creates a relaxed atmosphere to simulate naturally shaded Betta environments Preset 25W heater consistently maintains an ideal tropical water temperature of 78°F / 26°C All necessary media included (mechanical, chemical, and biological) 6 US Gal / 22.7 L max. volume (5 US Gal / 18.9 L swim volume) Dimensions: 12″ L x 11″ W x 17″ H / 30 x 28 x 43 cm Included: 6 US Gal / 22.7 L plastic aquarium Aquarium cover Soft glow LED light LED Power supply 25W preset heater Circulation pump Foam filter block Poly Carbon insert BIOMAX insert Betta Diffusion Chamber pad