Four-person slide, also known as family slides, is manufactured in Sahand Technology Co. in three forms

1-    four- person Spiral tunnel slide  with a diameter of 80.2 cm

1-    four- person hypaethral spiral slides with a diameter of 80.2 & 40.1 cm

 The most famous high-volume four- person slide is called Tornado water roller 

سرسره آبی چهار نفره تورنادوسرسره آبی چهار نفره