Description
– Made of EPDM rubber, has good aging resistance. – Ultra quiet and long service life. – Suitable for aquarium air oxygen pump. – Size 1: Outside diameter:3.5cm/1.38 inch, Inner diameter:2.4cm/0.94 inch,thickness:1.5cm/0.59 inch,Height:1.2cm/0.47 inch – Size 2: Outside diameter:3.5cm/1.38 inch, Inner diameter:3cm/1.18 inch,thickness:1.5cm/0.59 inch,Height:1cm/0.39 inch Size 1: Outside diameter:3.5cm/1.38 inch, Inner diameter:2.4cm/0.94 inch,thickness:1.5cm/0.59 inch,Height:1.2cm/0.47 inch
