Model WJ6. Recommended by dentists. Flushes out plaque and food debris. Reverses gingivitis and helps prevent gum disease. Safe and effective for all dental work. Use with your favorite mouthwash. Includes: Hinged cover; 4 water jet tips - provide powerful pinpoint cleaning action. Color coded for family use; measurements; convenient cord storage - under unit keeps countertop neat; on/off control; reservoir with handle - makes filling the tank easy; convenient extra long 3-foot hose; 7-position pressure control - for comfortable pulsating action. Attachments available wherever Interplak products are sold.