1.Plastic hull 2.DPFC-M rubber loop 3.DPFC-T rubber mat (inside) 4.DPFC-TB rubber mat (inside) 5.Steel ball (inside)

product peformance:

1.small size,and less cost,weight between 20.8 - 23.2g

2.use in the tank of motocycle ,generator,universal engine

3.ventilatory in a working environment,and it will be shut off in an innormal condition

fuel shut-off valve