This is an excellent value low noise rocket pack by Standard Fireworks.

Seven 1.4G rockets to a pack with sensational effects.

Dyno Rocket Pack Specifications
Carton Qty: 1 x Dyno Rocket Pack
Fireworks Brand: Standard Fireworks
Total Length of Rocket: 550mm
Rocket Head Diameter: 25mm 
Product Weight: 0.262kg
NEC (Net Explosive Content): 84g
Noise Rating: 4/10
Classification: 1.4G
Firework Category: F2
Safety Distance: 8 Metres