EZ-FLO ® #40271 EASY TO INSTALL sank 10 INSTALL 1. Measure with a piece of string, paper-tape or yard stick the LENGTH of the tank form inside edge to opposite edge. 2. Set the plastic slotted holders to this measured LENGTH and tighten in position with screws placed in the nearest hole on the back of the plastic tank cover. Place one slotted holder on each end as shown. 3. Measure the WIDTH of the tank from the inside edge to opposite edge.