Key skills include prospecting and developing new business, setting meetings with clear upfront contracts, building rapport, employing strategic questioning to uncover customer needs, active listening and observation of verbal and non-verbal cues, presenting solutions that address those needs, using innovative sales tools (like manufacturer analytics, LCC, and multimedia presentations), matching solutions and pricing to ensure win-win outcomes, providing well-written, detailed proposals, handling objections effectively, negotiating for positive results without selling on price alone, and securing customer commitment to proceed. Product Knowledge: Requires deep understanding of product features and benefits, proficient use of manufacturers' sales tools, technical expertise to ensure correct application, ability to generate project- or customer-specific specifications, comprehensive knowledge of the filter industry and engineering principles, and capability to provide field guidance for installation and troubleshooting.