BV 2532 - bushing for pipes into concrete, configuration KA, grey colour, package - 40/2800 pcs - the glands are fixed to the formwork using nails, after hardening of the concrete mixture, formwork is removed together with front side, for insertation of pipes we use end piece BK- type according the pipe dimension , BV 162- end piece BK 16 a BK 20, BV 2532- end piece BK 25,BK 32, BK 16, BK 23