Rukav šláng rezinovyy gofra assenizator suction planter ilosos zaborny, Kyiv

A sleeve (hose) with a textile frame and a metal spiral, with soft cuffs at the ends for connecting them to the armature.

Pressure-suction hoses are used for suction and injection of various liquids, fuels, petroleum-based oils and gases.
(//tractor-service.com)
The suction sleeve consists of several layers: inner rubber, one or several layers of a textile frame, and outer rubber.

The pressure-suction sleeve consists of several layers: an inner rubber, one or several layers of a textile frame, and an outerrubber.

Rubber corrugated suction hose for pumps andpumps, sludge pumps, assimilation machines. Reinforced with kapron thread and metal spiral. The ends have soft cuffs for connecting to the armature.