Hardy Diagnostics contact plates are recommended for use in the cultivation of microorganisms from environmental surfaces. LokTight™ Tryptic Soy Agar (TSA), w/Lecithin and Tween is a triple bagged contact plate, also commonly referred to as Rodac™, for surface monitoring. Ideal for environmental monitoring of clean room and clean bench surfaces. Gamma irradiated for sterility assurance.

Tryptic Soy Agar (TSA) with Lecithin and Tween®, USP is recommended for use as a general growth medium for establishing microbiological trends, alerts, and action levels in controlled environments.

3 Easy Steps:

1. Remove lid.
2. Gently press plate to surface without twisting or sliding.
3. Twist the lid clockwise until frosted bands line up to lock lid into place.

• Triple bagged - Transparent PET outer and middle bag for distortion-free viewing, breathable transparent inner bag.
• The LokTight™ locking lid is an optional feature designed to keep lids securely in place after sampling and throughout transport to your lab.
• Each plate has a grid molded into the bottom of the plate to aid in the counting of microorganisms.
• A Certificate of Analysis is available online for each lot.
• Room temperature storage
• Sterile by irradiation. Validated for a Sterility Assurance Level (SAL) of 10⁻⁶.