* Fits on 48x18 Classic / Elegance / Heritage / Vintage Stands Introducing the new Tideline All-In-One (AIO) Aquariums! Tideline All-In-One aquariums are a high-quality yet affordable option for aquarium hobbyists. Tideline AIO Aquariums are hand made with high-quality automotive-grade glass. Front and side viewing panels feature low-iron glass for optimal clarity and help to best showcase the color of your tank inhabitants. Roomy filtration compartments allow you to customize your filtration. Creating a beautiful and healthy aquarium has never been easier. Each aquarium includes - AIO Aquarium - Return pump - Plumbing - Filter Foam (7.1G / 11.3G / 13.4G) or Filter Sock (20.5G / 21.4G / 31G / 47G / 62G) - Self-leveling Mat Specifications (62G Lagoon) - Dimensions: 48.5”L x 18.5”W x 15.75”H* - Glass Thickness: 10mm - Include Filtration: Rectangular Filter sock (3"x5") x 2 - Return Pump: 2 x MY-15L (250GPH) * Fits on 48x18 Classic / Elegance / Heritage / Vintage Stands ** please note: the 62G Lagoon features 2 separate return pump chambers and 2 return pumps for improved circulation & filtration. One chamber WILL drain faster than the other . Be sure to put your ATO on the faster-draining chamber, or keep the water level at least 1/2" above both return pump baffles.