14.75 x 9.63 x 3.75 inches

Black silicone unit cover for Hummingbird HELIX 8 G3N and HELIX 9 G3N Series units
Helps keep your screen clear of debris and help prevent accidental damage to your HELIX unit
Compatible with: HELIX 9 MSI GPS G4N, HELIX 9 MDI GPS G4N, HELIX 9 CHIRP GPS G4N, HELIX 8 MSI GPS G4N, HELIX 8 MDI GPS G4N, HELIX 8 CHIRP GPS G4N, HELIX 9 MSI GPS G3N, HELIX 9 MDI GPS G3N, HELIX 9 CHIRP GPS G3N, HELIX 8 MSI GPS G3N, HELIX 8 MDI GPS G3N, HELIX 8 CHIRP GPS G3N. Will not fit first-generation HELIX 9 or HELIX 9 G2N models