Check the listing for details. REED Instruments RPDPA1 Replacement Refractometer Lens Cover. Color: Multi, Condition: New. Listed at 19.99 USD. The REED Instruments RPDPA1 Replacement Refractometer Lens Cover is a high-quality accessory designed specifically for use with refractometers. Made from durable Reed material, this lens cover ensures accurate readings and protection for your instrument. The multi-color design adds a professional touch to your measurements, making it essential for precise and reliable results in various industries such as healthcare and laboratory settings. Trust in the REED Instruments brand for quality and precision in your laboratory equipment.