Q: How does this compare to cast portlights?
A: Lighter & more affordable, but slightly lower pressure rating (2 ATM vs 4 ATM).

Q: Saltwater durability?
A: 316 stainless resists pitting – rinse occasionally for best results.

Q: Can I install this myself?
A: Yes – includes template and butyl tape. No welding required.

Q: Warranty?
A: 3-year limited – covers frame and gasket.