DSCN1536 Published on January 13, 2014 in 10 – SOLVIVA DESIGNSFull resolution (1280 × 980) ← Previous Next → The Greenfilter systems reduce nitrogen pollution by 80-99% – the Title 5 systems only by 5-25%. Cost of a Solviva Greenfilter upgrade: $7-10,000. Cost of Title5 upgrades: $18- 80,000.