On the Box is a diagram with numbers which tells you which shows the location of each protector. Then on the bottom of each thruster are the numbers for each thruster protector.
PART I – LIMITED WARRANTY These QYSEA After-Sales Policies (these “Policies”) only apply to QYSEA products you purchased from QYSEA authorized retailers or QYSEA directly for your own use and not for resale. These Policies are available in other ...