Genuine filter External Fridge water connection kit includes 10 meters of hose  and all fitting you need

Water Installation Kit

1456145K

WATER INSTALLATION KIT USE 1450970 FOR FILTER ONLY

Suitable for the following model numbers:

WSE6070PB, WSE6070SB, WSE6070WB, WSE6070WA*4, WSE6070SA*4, ESE6977SF 925042665, ESE6078WA, PCL441R, PCL441AR, PCL446R, PCL448AR, ESE6977SG 925042819, ESE6078WA*05, ESE6077SG 925042817, ERE6070SX-XE 920404153, HSE6070SB-XE 925042566, ESE6077SF 925042663, WSE6970SF 925042659, WSE6970WF 925042660, WSE6070PB*06, WSE6970PA, ESE6077SA*06