Dogit Nylon Collar with Buckle - Single Ply 1"x 22" purple, From Hagen @$17.22

EHEIM compact 1000, 1001, and 1002 are small in size and easy to conseal and fully submersible Have an adjustable output from 40-267 gallons per hour. Versatile and very quiet. Many areas of application and low electric power consumption.For more details :www.freshmarine.com