activated carbon special net pocket water purification net pocket fish tank aquarium filter mesh bag net pocket high temperature resistant corrosion resistant acid and alkali resistant drawstring

standard

25 * 15cm about 0.50kg (50) 35 * 25cm about 2.50kg (50) 45 * 30cm about 3.50kg (50) 55 * 35cm about 5.00kg (50) 40*60cm about 10.00kg (50) 75 * 55cm about 25.00kg (50) 95 * 60cm about 30.00kg (50) 10 * 15cm is relatively small (50)