Ancor Heavy Wall Heat Shrink Tubing - 3/4" x 12" - 3-Pack - Red [326624] Brand_Lenco Marine An additional external port is

An additional external port is using a D-sub 15 pin connector

several Fortress machining steps and extra features

Easily replaces 2000 GPH rated pumps

Dimensions Strainer Inches: 5 X 3-1/4

Ancor Heavy Wall Heat Shrink Tubing - 3/4" x 12" - 3-Pack - Red [326624] Brand_Lenco Marine An additional external port isHeavy Wall Heat Shrink Tubing 3 4" x 12" 3 Pack Red Package of 3 Red 12"(30. 5cm) long sections with a 3 4"(19mm) diameter that shrinks to 1 4"(6. 4mm) Wire Range: 8 2 0 AWG Features: Cross Linked polyolefin tubing is much stronger than PVC tubing and will not burn like PVC Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief 3: 1 Ratio Shrinks at 257F 125C Operating