SYLVAN | UNIVERSAL SPRING LOADED WEIRS | 240061
LENGTH: 7 5/8"
WIDTH : 5 1/4"
THICKNESS: 1 1/8"
THIS IS A SPRING LOADED WEIR WHICH IS COMPRESSED.
INSIDE THE WEIR A PLASTIC LINE HOLDS THE SPRING.
DO NOT PULL PLASTIC LINE UNTIL WEIR IS IN PLACE.
INCLUDES: FOAM