The T 27 pill is identified as Sildenafil citrate USP, containing a moderate dosage of Sildenafil 20 mg. It belongs to two classes of drugs pulmonary hypertension and impotence agents. The pill t 27 is specifically designed for men, who are experiencing erectile dysfunction (ED) and pulmonary hypertension (PAH). This 20 mg formulation of Sildenafil citrate is utilized to manage high blood pressure in the blood vessels and to address issues related to male impotence.