This MAREVA winterizing accessory pack will be essential to prepare your pool for the cold winter. It includes 2 N10 winterizing plugs to be placed on the discharge nozzles of your pool when temperatures drop, in order to protect the hydraulic system from freezing. You will also find in this pack a GIZZMO MAREVA winterization bottle which helps to fight against the inconveniences of winter and to preserve your pool. We advise you to put it in the skimmers of your pool in order to protect the hydraulic system against freezing during the coldest period. Finally, a MAREVA- Sand ballast - 0.50 m is included in this pack. Also called float, this accessory is practical and protective, thanks to its air and sand filling. If frost is to be feared in your region, then do not hesitate to equip yourself with this type of wintering material which will prevent the walls of your pool from cracking. Advantages : MAREVA N10 Winterization plugs - 2 pieces: Essential for winterizing your pool Protects your pool's hydraulic system from freezing GIZZMO MAREVA winterization bottle: Protects the hydraulic system against freezing To be used with skimmers MAREVA wintering buoy - Sand ballast - 0.50 m : Protects your pool in case of freezing and avoids all risks of cracks A must for winterizing your pool Features : MAREVA N10 winterization plugs - 2 pieces : Material: plastic and metal Color: black and metal Ref. 870011 GIZZMO MAREVA wintering bottle : Material: plastic Color: black Ref. 870002 MAREVA wintering buoy - Sand weighted - 0.50 m : Length : 0,50 m Color : black Weight : 3 kg Ref. 870001 Advice: The installation of "gizzmo" bottles (absorb ice pushes) in the skimmers and of plugs on the discharge nozzles will promote the protection of the hydraulic circuit against freezing. Packaging: 2 x MAREVA N101 winterization plugs x MAREVA winterization GIZZMO bottle1 x MAREVA winterization buoy - Sand ballast - 0.50 mLdelivered in their original packaging