Sper Scientific portfolio of probes provides the right solution for your testing needs, backed by years of product innovation and technical support. All of our probes are designed to meet the accuracy, ease of use, durability and flexibility for your water quality testing needs.
100% Satisfaction Guarantee: At Mansion Schools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Schools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.