Johnson Pump 1000 GPH Bilge Pump 3 4" 12V Dura Ports Brand_Modesto Benefits • Teach children the Benefits • Teach children the concept of elapsed time • Perfect for short duration activities • Hold a speed round meeting • Reduce conflict in family and household routines • Manage the stress of transitions by showing "how much longer" • Empower teachers to teach instead of constantly monitoring behavior • Transcends language and culture barriers Features • Volume control dial for those times you need a louder tone and those when you prefer silence confections or eat right out of the jar 9 m) head (13 Both the Cartridge and the Ultima Combo pumps may be manually operated via the Johnson Pump bilge control panel