341 Sintered Glass Filter "PSAW" (Straight Type) with sintered disc sealed in the centre. 341/01 Disc Dia. 10 mm., Porosity Grade G 1 341/02 Disc Dia. 10 mm., Porosity Grade G 2 341/03 Disc Dia. 10 mm., Porosity Grade G 3 341/04 Disc Dia. 10 mm., Porosity Grade G 4 341/05 Disc Dia. 20 mm., Porosity Grade G 1 341/06 Disc Dia. 20 mm., Porosity Grade G 2 341/07 Disc Dia. 20 mm., Porosity Grade G 3 341/08 Disc Dia. 20 mm., Porosity Grade G 4 341/09 Disc Dia. 30 mm., Porosity Grade G 1 341/10 Disc Dia. 30 mm., Porosity Grade G 2 341/11 Disc Dia. 30 mm., Porosity Grade G 3 341/12 Disc Dia. 30 mm., Porosity Grade G 4 341/13 Disc Dia. 40 mm., Porosity Grade G 1 341/14 Disc Dia. 40 mm., Porosity Grade G 2 341/15 Disc Dia. 40 mm., Porosity Grade G 3 341/16 Disc Dia. 40 mm., Porosity Grade G 4 341/17 Disc Dia. 50 mm., Porosity Grade G 1 341/18 Disc Dia. 50 mm., Porosity Grade G 2 341/19 Disc Dia. 50 mm., Porosity Grade G 3 341/20 Disc Dia. 50 mm., Porosity Grade G 4