Airmar B75M Bronze Chirp Thru Hull 12 Tilt - 600W - Requires Mix and Match Cable [B75C-12-M-MM] Brand_Johnson Pump the Evo Pro has a

the Evo Pro has a 3/4" tapered shaft and has a diameter of 13-1/2"

Economical

Hose - 1-1/2"

T-Fitting Assembly  - ORF Hose

Airmar B75M Bronze Chirp Thru Hull 12 Tilt - 600W - Requires Mix and Match Cable [B75C-12-M-MM] Brand_Johnson Pump the Evo Pro has aB75M Bronze Chirp Thru Hull 12 Tilt 600W Requires Mix and Match Cable Rely on Airmars broadband transducers for your ultimate fishing mission. Whether youre a commercial fisherman, charter captain, or tournament angler, theres a new game in town! Chirp transducers enable bottom detection down to 3,000m (10,000) with 5 to 10 times greater detail and resolution so precise its possible to distinguish between individual baitfish, game fish, and underwater