Aerojig Aero-Float Silicone Tubing Replacement Kits Aero-Float replacement kits for AF1 and AF2 Series AF1 Kit includes 10 silicone top bands and 12 silicone sleeves AF2 Kit includes 12" of 1/32 silicone tubing Top band - 1/4 " silicone Sleeve - 1/32" silicone