Professional Trumpet Mouthpiece Corrector Trumpet Pressure Reducing Valve Assistant Tool Brass Wind Accessories Product Name: Baohao Pressure Reducing Valve Pressure Reducing Trainer Color: Gold, silver plated Material: Silver plated Scope of application: Pipe accessories Product size cm: 1.3 * 2.5 * 7.9 Packaging size cm: 10 * 4 * 4 Product weight (net weight) g: 85.6 Product gross weight g: 123.7 Packaging: ABS hard box Packaging list: ABS box * 1 Pressure reducing valve * 1 Usage/selling point: High quality brass is preferred, with smooth gold and silver plating treatment for better sound conductivity When playing joyfully, the pressure can be adjusted to make playing more effortless and the pronunciation more beautiful. The mouth of the cup is all open Meticulously designed and manufactured using CNC machine tools, resulting in more precise accuracy and better compatibility with musical instruments Shipment 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 6. If you have not received your orderafter 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery Time: Return & Refund 1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUEA REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised. Guarantee 1. 12 months Manufacturer's limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty. 2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpress!