Blackwater Cool Season, 5 lb bag, Medium Pellet Beneficial Bacteria Small Basin measures 26" x

Small Basin measures 26" x 26" and is 12" deep

The pressure relief valve protects the compressor from excessive  backpressure if there is some sort of blockage in the airline or diffuser

Kit includes #EBD4 Bottom Drain

This is a revolutionary product for Koi Ponds

3 fountain nozzles

Blackwater Cool Season, 5 lb bag, Medium Pellet Beneficial Bacteria Small Basin measures 26" xThis terrific line of Blackwater Koi Pellets gives you the quality and variety of high end Koi Feeds at the price of a standard staple diet. All varieties come in a vacuum packed resealable zipper lock bag. Cool Season This is a highly digestible diet formulated for Koi and Goldfish when water temperatures are consistently below 60 degrees F.