Série coils 21
Coils 21 x 27 smooth
Coils 21 x 32 smooth
Coils 21/23 x 32 ring
Coils 21/23 x 32 ring galv.
Coils 21/23 x 35 ring
Coils 21/23 x 35 ring INOX TB
Coils 21 x 38 smooth
Coils 21/23 x 38 ring
Coils 21/23 x 38 ring galv.
Coils 21 x 45 smooth
Coils 21/23 x 45 ring
Coils 21/23 x 45 ring galv.
Coils 21/23 x 45 ring INOX TB
Coils 21 x 50 smooth
Coils 21/23 x 50 ring
Coils 21/23 x 50 ring galv.
