Hornblaster TA-508H Horn-Air Black 5 Gallon 8 Port Air Tank. There are 4 ports on the side, 1 on each end, 1 on top, and 1 on the bottom respectively.
Hornblasters Conductors Special 544K Nightmare Edition Train Horn Kit ,150PSI 5 gallon air system, USA Made Horn, 147.7 Actual dB : Automotive
Auxiliary Air Tank
5 Gallon US Made Steel Air Tank - 8 NPT Ports
Bullet 228H Air Horn Kit – HornBlasters
HornBlasters USA Made 8 Gallon 8 Port Steel Air Tank : Automotive
Cheetah Air Tank
Vixen Horns 5 Gallon (18 Liter) Train/Air Horn Tank with 200 PSI Compressor Onboard System/Kit 12V VXO8350 : Automotive
When the Bandit is in town, people move! Don’t be fooled by its size, the powerful blast is sure to get the desired reaction. With a black finish and
Hornblasters AH-BB Bandit Triple Tone Air Horn - Black (Includes Valve)
HornAir 5 Gallon 8 Port Heavyweight Air Tank for Air Suspension & Train Horns TA-508H
HornBlasters USA Made 12 Gallon 8 Port Steel Air Tank : Automotive
Viking Horns V1003AT 1.5 Gallon Air Tank for Air Horn System : : Car & Motorbike
Black 8 Port 8-Gallon Air Compressor Tank