The suction hoses for firefighting according to DIN EN 14 557, Type A, are smooth inside, black ribbed outside, SBR-quality (styrol-butadien-rubber) without external spiral.
The suction hoses for firefighting according to DIN EN 14 557, Type B, are smooth inside, black ribbed outside, SBR-quality (styrol-butadien-rubber) without external spiral.
The suction hoses for firefighting according to DIN EN 14 557, Type C, are smooth inside, black ribbed outside, SBR-quality (styrol-butadien-rubber) without external spiral.