amazon上有 1.75寸的,没有2.5寸的
https://www.amazon.ca/Sliding-Patio-Screen-Vinyl-Adjustable/dp/B09KMY63SV/?_encoding=UTF8&pd_rd_w=ruXWQ&content-id=amzn1.sym.07ba691b-0556-46f1-afa7-1adb1aa83156&pf_rd_p=07ba691b-0556-46f1-afa7-1adb1aa83156&pf_rd_r=A8AMS87PK1RFR8D6YDND&pd_rd_wg=wEgcV&pd_rd_r=7bf318cf-814e-4336-9905-aa6295944cc0&ref_=pd_gw_ci_mcx_mr_hp_d