Humminbird IDMK-H89R Reinforced In-Dash Mounting Kit f/HELIX 8/9 G3N/G4N [740179-1] Brand_Camco Once the signal is sent

Once the signal is sent down to the junction we do not need to do much filtering or cleaning to give you excellent reception

Outlet Size: 1" or 1-1/8"

tank depth

Includes carrying case

Effectively aerates up to 15 gallons

Humminbird IDMK-H89R Reinforced In-Dash Mounting Kit f/HELIX 8/9 G3N/G4N [740179-1] Brand_Camco Once the signal is sentIDMK H89R Reinforced In Dash Mounting Kit for HELIX 8 9 G3N G4N In Dash Mounting Kit allows quick and easy, in dash installation, with all necessary mounting hardware. Features: Compatible with: HELIX 9 MSI GPS G4N, HELIX 9 MSI GPS G3N, HELIX 9 MDI GPS G4N, HELIX 9 MDI GPS G3N, HELIX 9 CHIRP GPS G4N, HELIX 9 CHIRP GPS G3N, HELIX 8 MSI GPS G4N, HELIX 8 MSI GPS G3N, HELIX 8 MDI GPS G4N, HELIX 8 MDI GPS G3N, HELIX 8 CHIRP GPS G4N, HELIX 8 CHIRP GPS G3N