Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Price: $99.44
In Stock.
The ATC/pH replacement electrode for portable pH meter kit replaces the ATC/pH electrode used with the portable pH meter kit (Catalog No. AP7561 and AP7452).