Features
A. The solid hex drive
a) Standard in every Advantage Seal Type 201
b) Locking,Positive Engagement
c) Eliminate damage to bellow
d) Eliminate drive failure
B. Convoluted
Greater self-aligning capability
C. Innovative design
a)Fewer seal components than other designs
b)Delivers performance and value
D. Single coil spring
Helps preventing clogging