BIOFALLS SIGNATURE 2500 BIOFALLS SIGNATURE 2500 $464.99 SKU: 09020 Click here to save 5% off of your order! Signature Series™ Biological Filter Features include: New Removable Upper Tray Replaces the rock ledge, This rack can hold rocks, plants, and gravel, helping to naturalize the unit. Circular Design Provides maximum strength, as well as an easier shape to camouflage. 21.5” High x 24” Deep x 29.5” Wide with 20” Weir Reversible Waterfall Snout More advanced installers will love the reversible option, giving the flexibility of using a natural stone spillway and large accent boulders along the front of the unit. Two Bulkhead Openings Allow the pipe to be run into either side for greater flexibility. Second bulkhead opening can be used with optional drain kit, allowing the unit to be back-flushed during the season, water changes performed if desired, and easy cleaning during spring cleanouts. Comes with plug for other opening. High Surface Filter Mats These mats have 50% more surface area and a longer lifespan than traditional mats. Filters 2500 gallons.