巴基斯坦采购需求：Allfil 针头式过滤器，针头式过滤器，过滤，实验室过滤器，无菌过滤器，膜过滤器

I'm looking to get a better understanding of the pricing for the filters I'm interested in. Could you please provide me with the cost per unit as well as any bulk pricing options you may have? Additionally, if there are any discounts for larger orders or special promotions currently running, I'd love to hear about those too. Moreover, it would be helpful to know your lead times for these filters and any minimum order quantities that apply. If you have additional details like specifications or compliance certifications, please include that information as well. Thanks!