Buy 2L, get 4L totally.coupon code:scentoil-4

                          Buy 4L, get 10L totally.coupon code:scentoil-10

                          Buy 6L, get 15L totally.coupon code:scentoil-15

                          Buy 10L, get 22L totally.coupon code:scentoil-22

Joint connector (2pcs/set )for ks1000 / ks2000 / ks3000 / ks4000 / ks9000
Note: 
1. Only for those mode:ks1000 / ks2000 / ks3000 / ks4000 / ks9000
2. 2pcs/set
3. For connecting plastic tube to hvac system