Trojan UV Max Quartz Sleeves 602975 for H/PLUS & PRO 20 ModelsOnly 6 In Stock Order Today!Product Description:All UV Max systems include a quartz sleeve, which surrounds the lamp. The quartz sleeve provides thermal protection for the UV lamp and protects it from possible water damage. The quartz material used in VIQUA quartz sleeves are a 100% fused silica which lend to the sleeve's high transmittance. A high transmittance is important as the UV light must travel through the sleeve to get to the water. There are a variety of quartz sleeve designs, depending on the system that they are being used in.You should replace the sleeve if it fouled or is broken. Shipping:Shipping is available within the lower 48 US States.We Do Not Ship to PO/APO Boxes, HI or AlaskaWe Do Not Ship Outside of the Continental USAll items ship within 24-72 hours of PaymentFor large items that require Freight shipping a valid phone number is required to call and schedule your deliveryTerms of Sale and Feedback:Feedback is extremely important to us and eCRATERIf you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority!If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns.We PROMISE we can make you happy if you give us a fair chance.Returns / Concerns:Return and replacement policies are outlined on each listing and may vary by the item being sold. Please be sure to review these details before making your purchase.Please be sure this is an item you want before making your purchase.