Actual size is 15.88 x 24.88 x 4.38. Brand: Accumulair. 16x25x5 White Rodgers SST 14C26S-010 style whole house filters, exactly designed to replace the original manufacturer White Rodgers SST 14C26S-010 filters. Fully assembled - no forming or combs required. MERV classified to ASHRAE 52.2 test classifications establishing particle filtration as good or better than the original brand White Rodgers SST 14C26S-010 filters. Notice: Example air filter picture shown is not the actual dimensions and is displayed for design purposes. OEM names and White Rodgers SST 14C26S-010 identifier included for air filter substitution identification only.