DescriptionThese products are hearing aid tubes. Made of premium PVC material, they are sturdy, sheer and safe to use. Used to replace the tubes for your hearing aids. Easy installation and bring you excellent results. As tubes will turn yellow and harden over time, it is recommended to replace these tubes every half a year.Features- Brand: ULTECHNOVO. - Color: As shown. - Material: PVC - Size: 5.70X2.50X0.30cm/2.24X0.98X0.12inch. - Manufactured with quality PVC material, they are safe, sheer and sturdy. - Designed for replacing the tubes of hearing aids and improve sound transmission. - Easy to install to earmold, keeping your hearing aid and ear mold connected. - Easy to replace by yourself, no need to ask audiologists for tubing replacement. - Over time tubes will turn yellow and harden, so we recommend you to replace them every six months.