The submersible water pump is compatible with 84oz/2.5L and 81oz/2.4L pet fountains, etc. The pump is CE and FCC certified, IP 68, DC 5V-1.5W low power. Please check the model of your pump. original water fountain before purchase. Cat fountain pump for quiet, long-lasting operation. The pump is designed with unique, ultra-quiet motor technology (lower than average 40dB). 4 strong suction cups for easy installation 6ft power cord, USB output for various applications, can be used with 40dB. for portable charger, computer, etc.