air conditioner drain universal extension pipe thicken and lengthen indoor and outdoor air conditioner flexible draining pipe outlet pipe drip pipe

upgrade double-layer water pipe [thickening] to send clamp(升级双层水管【加厚】送卡箍) ordinary transparent water pipe (thickened) with clamp(普通透明水管（加厚）送卡箍)

1 m(1米) 2 m(2米) 3 m(3米) 4 m(4米) 5 m(5米) 6 m(6米) 7 m(7米) 8 m(8米) 9 m(9米) 10 m(10米) 15 m(15米) 20 m(20米) 30 m(30米) 50 m(50米)