Specifications
Top Material    Rubber
Air Filter Material    Cotton Gauze
Washable    Yes

Height    3.188 in (81 mm)
Top Outside Diameter    3.5 in (89 mm)
Base Outside Diameter    4.5 in (114 mm)

Flange Inside Diameter    2.5 in (64 mm
Flange Length    0.75 in (19 mm)

Weight    0.9 lb (0.4 kg)
Product Box Height    4.25 in (108 mm)
Product Box Length    4.69 in (119 mm)
Product Box Width    4.69 in (119 mm)