[STAINLESS STEEL REINFORCED BARREL WALL, DURABLE] air drain is made of stainless steel, strong enough to use. It reinforces the wall of the tube and makes you feel at ease in use. (If you compare our products with those of others, you will find that other products use cheap plastic wall, which is easy to burst, but toilet plunger with stainless steel wall is solid!) [POWERFUL MANUAL PNEUMATIC DREDGE EQUIPMENT] efficient manual air plunger equipment can instantly wash the blockages in the pipeline. When power toilet plunger set is turned on, the air pressure is about 0.4MPA, equivalent to a pressure of 4KG/CM2 to blow the blockage in the pipeline. Air pressure drain unblocker working principle: The airflow is used to apply pressure to the water in the pipeline to wash the blockage. [NO SPLASHING BECAUSE SEALED BALLOON] By inflating and sealing pipes with different sizes of apertures, we dare to claim that drain plunger will not splash water. Equipped with: 3 plugs (toilet plug, sink plug, washbasin/floor drain plug) + 1 converter. When the toilet is blocked: use the toilet plug, the elbow design fits tightly, will not damage the glaze. When the vegetable washing pool is blocked: vegetable leaf rice, no need to dig it out with your hands, just use sink plunger. [INTEGRATED PUMP, EASY TO USE, NO CHARGING, MORE CONVENIENT] Other products design an annoying external pump, but toilet plunger set design an integrated pump, more user-friendly. [UNIQUE INSTRUMENT PANEL DESIGN, CAN VIEW REAL-TIME AIR PRESSURE] pipe has a unique instrument panel design, real-time pressure display, according to dredging needs, the air pressure can be appropriately increased, the pressure range: 1-8 BAR. When use in sink, need about 1-2 BAR, when use in toilet, need about 3-4 BAR, when use in floor drain, need about 5-6 BAR. Colour:Black Material:ABS+stainless steel Package Contents: 1 * toilet dredge 1 * adapter 1 * toilet plug 1 * floor drain plug 1 * vegetable pond plug 1 * sink plug 1 * inflating handle 1 * storage nail-free sticker 1 * inflating cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.