STF 3K Moderate Traffic, Moderate Heat This ready-to-use (RTU) concentrate is an economical way to service restrooms when temperatures are moderate and traffic is at normal levels. As with any concentrate we offer, it is a powerful restroom deodorant containing our deep blue dye, pleasant fragrance and active odor fighting ingredients. Please refer to the Usage Calculator to determine proper dosage for the highest performance in any temperature. Order Online Request Information What Strength Deodorizer do you need? STF 3K | STF 4K | STF 5K | STF 6K