Andy Hudson,Brad L. Mihlbauer,Scott Rabe,Mark Agresta,Yu Feng
申请号：
US14505800
公开号：
US09826722B2
申请日:
2014.10.03
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An aquarium filter and a method of indicating reduced flow through the filter. The aquarium filter includes a first chamber, a second chamber, and a filter cartridge separating the first chamber and the second chamber. A first flow path is defined through the filter cartridge separating the first chamber and the second chamber. The aquarium filter also includes spillway defining a second flow path and an indicator positioned in the second flow path.
