Scuba Diving Tank Cylinder Knocker Banger ball For 12L Standard Tank

Model Number : 12L Standard Tank cylinder Noise Maker Type : other Origin : Mainland China We, SportGear, focus on Sport Gear Item Description: Usage: To install just stretch over scuba tank, pull the rubber and loose the ball, the ball will hit the tank and make a noise to get others attention. Material: Rubber+Plastic Package Includes: 1 Pieces Underwater Noise Maker Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! Details Picture: Complaint Contact us directly. Tell us reason: Picture amp; video are both ok. We solve problem. Tax amp; Duty Our price exclude any tax amp; duty that may be required at your country #39;s custom. You need to pay the tax and duty if required. Lower Value Invoice: Please contact us. We will cooperate. Guarantee Warranty Time: 12 month since the date of purchase. Defect within Warranty Time: We will refund you or send you replacement. Refund Guarantee Quality Defect Damaged against receiving Not as described