W600 RV Water Heater Mud Dauber Screen (W-600) by JCJ®. Flush-Mount. The W600 fits the Suburban 6 gallon flush-mount. Made of heavy rust-resistant stainless steel. Come with tension springs & installation tools. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.