Laboratory Supplies Strong Blowing Dust Tiger Dust Cleaning Rubber Suction Ball Large Small-Ball

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Specifications: material: Rubber; capacity: 30ml/60ml/90ml/120ml; Product name: Rubber Suction Bulb; Color: Red,blue,black; Body shape: Cylindrical; Type: Single way; Usage: Dust removal for SLR lenses, mobile phones, keyboards, mechanical parts