【Transparent Observation】: Clear acrylic testing chamber allows easy viewing of water movement and sample response during each evaluation, helping users monitor testing progress with greater convenience 【Variable Flow Adjustment】: Built-in stepless control enables smooth flow adjustment based on different sample requirements, while the one-button switch simplifies daily laboratory operation 【Stable Clamping Design】: Elastic stainless steel fixture secures flat materials firmly during testing. Rubber sealing gasket helps maintain consistent positioning throughout each evaluation 【Simple Laboratory Operation】: Features a practical connection design with flexible PVC tubing, allowing convenient setup and smooth operation during routine bench testing and material inspection. 【Suitable For Material Evaluation】: Designed for breathable membrane, laminated fabric, performance apparel fabric, water resistant bedding fabric, outdoor clothing material and other flat samples up to 5mm thick.If you have any questions, please feel free to contact us and we will get back to you within 24 hours!